posterior definition biology

Definition and Clinical Features The posterior reversible encephalopathy syndrome (PRES) is a clinico-radiologic disorder that has been increasingly recognized since its first description in 1996. Anterior: In front of, front Posterior: After, behind, following, toward the rear Distal: Away from, farther from the origin Proximal: Near, closer to the origin Dorsal: Near the upper surface, toward the back Ventral: Toward the bottom, toward the belly Superior: Above, over Inferior: Below, under Lateral: Toward the side, away from the mid … It forms a vital link between the brain and the body. The transverse plane is an imaginary dividing line that separates the anterior and posterior sections of the body. posterior n. noun: Refers to person, place, thing, quality, etc. Transverse Plane Definition. p pico- ; proton ; the short arm of a chromosome. • Parameter is random, because it is uncertain. Peripheral Nervous System 1. Through these physical structures, thought, emotion, and sensation are experienced, and body movements are coordinated. However, the evidence of clinical usefulness of MT in posterior circulation LVO (pc-LVO) is still doubtful compared to the anterior circulation, especially in patients with mild neurological symptoms. The thalamus translates neural impulses to the cerebral cortex and can be divided into functionally distinct groups of neurons known as thalamic nuclei. ADH is antidiuretic hormone. Cell Theory They may be unicellular or multicellular. Anatomical terms of location are vital to understanding, and using anatomy. Anterior definition, situated before or at the front of; fore (opposed to posterior). (4) Toward the tail or caudal end of an embryo. This makes sense because some of the areas it supplies — occipital and mesial temporal lobes (besides the tectum) — are phylogenetically … It is secreted by the posterior pituitary gland. Spinal Cord Anatomy. The parasympathetic nervous system is located anterior in the head and neck and posterior in the sacral region. Cell Theory is one of the basic principles of biology. The posterior (dorsal) cavity is a continuous cavity that includes the cranial cavity (brain) and the spinal cavity (spinal cord). at 02:25 16 comments: Email ThisBlogThis!Share … In adults, the spinal cord is usually 40cm long and 2cm wide. They help to avoid any ambiguity that can arise when describing the location of structures. Posterior The pig in figure 1 is lying on its dorsal side. It stimulates the absorption of sodium by the nephron to maintain water and salt balance. Anterior and posterior pituitary gland are the two lobes of the pituitary gland. The definition of posterior is later, following, after or at the rear. Putting this in context the heart is posterior to the sternum because it lies behind it. Exemplos: el televisor, un piso. The pig in figure 1 below has its ventral side up. What is a Choana (Internal Naris) A choana (plural: choanae) is one of the two apertures at the back of the nasal cavity that opens into the nasopharynx, the open space behind the nasal cavity in the airways [1].It is also known as the posterior nasal aperture, and the internal or posterior naris (plural: nares) [2]. It is found in most mammals that use their posterior teeth to grind food. Define posterior. • Observed data is fixed – it’s what it is. Any of the parts into which something can be divided: segments of the community; a segment of a television program. 45. This position provides a definition of what is at the front ("anterior"), behind ("posterior") and so on. It consists of three main regions: The anterior region. Anterior means the front and posterior, the back. This will also help you to draw the structure and diagram of earthworm. The previous chapter (specifically Section 5.3) gave examples by using grid approximation, but now we can illustrate the compromise with a mathematical formula.For a prior distribution expressed as beta(θ|a,b), the prior mean of θ is a/(a + b). Define posterior interposed nucleus. As part of defining and describing terms, the body is described through the use of anatomical planes and anatomical axes . Several spinal nerves emerge out of each segment of the spinal cord. Usin… What is a Choana (Internal Naris) A choana (plural: choanae) is one of the two apertures at the back of the nasal cavity that opens into the nasopharynx, the open space behind the nasal cavity in the airways [1].It is also known as the posterior nasal aperture, and the internal or posterior naris (plural: nares) [2]. View the answer now. The PCA is an old vessel, in fact emerging in the lower species prior to development of the MCA.. External ear: visible part of the ear. Without the maxilla, we can neither eat properly nor speak clearly. These messages encode transcriptional and translational regulatory proteins that diffuse through the … Hypothalamus is a minute region, almost the size of an almond, present at the centre of the human brain, near the pituitary gland. Often used to indicate the position of one structure relative to another, that is, nearer the back of the body. The nucleus has a positive charge equal to Ze , where e is the magnitude of the electron charge and Z the number of protons present – the atomic number. what is the definition of posterior. ... Visit BYJU’S for all Biology related queries and study materials. We investigated the morphologic appearance and molecular composition of the posterior hyaloid membrane to determine whether the structure clinically observed enveloping … Definition. Credit for the formulation of this theory is given to German scientists Theodor Schwann (1810–1882), Matthias Schleiden (1804–1881), and Rudolph Virchow (1821–1902). The superior or uppermost part of the throat, the nasopharynx is the hollow space lying at the skull base [2], above the oral cavity, extending after the choanae or … Definition of Antagonistic Muscle. Located behind a part or toward the rear of a structure. Answer. Posterior summaries • In Bayes: posterior density describes our uncertainty about the unknown parameter θ, after observing data X. An example of something posterior is the dorsal fin on a shark; a posterior fin. The technical term is occiput posterior (OP) position. The commisura labiorum oris is the junction of the lips at the corners of the mouth. Definition of Osteophytosis. The posterior pituitary is composed of neural tissue. Aldosterone is a corticosteroid hormone. Members of this genus can be found in various environments (water, soil etc) and are responsible for giardiasis (a diarrheal illness) in both human beings and other vertebrates. Directional Terms Anterior (or ventral) Describes the front or direction toward the front of the body. ... Posterior (or dorsal) Describes the back or direction toward the back of the body. ... Superior (or cranial) describes a position above or higher than another part of the body proper. ... More items... Obtain a fetal pig and identify the structures listed in figure 1. Perineal membrane (inferior view) The perineal membrane provides a caudal (superficial) boundary for the deep perineal pouch , which is also limited rostrally (deeply) by the endopelvic fascia of the pelvic floor. Reaches 1-2 cm above medial 1/3rd of clavicle.of clavicle. Nasal Choanae Anatomy and Boundaries Posterior (from Latin, comparative of posterus ("following") from post-meaning "after") is the opposite and refers to the part of the organism encountered "after" (or opposite) the anterior side. It is opposite the dorsal side. Anterior refers to what is in front for example your abdomen is anterior whereas your back is posterior relative to eachother. Another example is that your nose is anterior to your brain. Anterior and posterior are relative terms. Modern principles of other fields, such as chemistry, medicine, and physics, for example, are integrated with those of biology in areas … posterior behind or opposite anterior ( head) Source: Noland, George B. Tibial (disambiguation) General Characteristics Features of Pisces. Meaning of Posterior. Posterior means towards the back and would indicate the opposite end from anterior. However, both anterior and posterior are relative terms. A point can be anterior to another point behind it yet posterior to a point ahead of it. on or relating to the back of an animal or fish a shark’s dorsal fin Examples from the Corpus dorsal • The dorsal arm plates are fan shaped to rounded triangular and contiguous proximally. The spinal cord is divided into five different parts. Aldosterone. Answer. The posterior pituitary gland comprises nerve cells. Maintaining the hypothalamus health is very important. The middle region. ADH. Answer (1 of 7): These are anatomical terms used in the biology of animals, including humans. The nasopharynx is the first of the three sections forming the pharynx [1], the other two being the oropharynx and laryngopharynx.. Where is the Nasopharynx Located. The database of 10 high-volume stroke … Anatomical Directional Terms . The anterior-posterior polarity of the embryo, larva, and adult has its origin in the anterior-posterior polarity of the egg (Figure 9.8). External, middle, internal ear: one of two organs of hearing on the sides of the head, comprised of internal and external parts. 2. human anatomydenoting the back surface of the body. External auditory meatus: canal of the temporal bone that carries sounds to the eardrum. was asked on May 31 2017. The two lobes of the pituitary gland are called the anterior pituitary (adenohypophysis) and the posterior pituitary (neurohypophysis). Tags: Molecular Biology. posterior interposed nucleus synonyms, posterior interposed nucleus pronunciation, posterior interposed nucleus translation, English dictionary definition of posterior interposed nucleus. Genetic structure in the nonbreeding range of rufa Red Knots suggests distinct Arctic breeding populations. The pituitary gland is actually composed of two glands: the anterior pituitary,; the posterior pituitary. For the term posterior may also exist other definitions and meanings, the meaning and definition indicated above are indicativenot be used for medical and legal or special purposes. 3. The general colour […] Virtual Teaching Assistant: Jared M. Question Level: Basic Karma: Free . Posterior means towards the back of the body. Standard anatomical terms of location are used to unambiguously describe the anatomy of animals, including humans.The terms, typically derived from Latin or Greek roots, describe something in its standard anatomical position.This position provides a definition of what is at the front ("anterior"), behind ("posterior") and so on. What is the Nasopharynx. The posterior pituitary secretes the hormone oxytocin which increases uterine contractions and antidiuretic hormone (ADH) which increases reabsorption of water by the tubules of the kidney. Posterior tympanic artery Definition and Examples - Biology Online Dictionary It prevents the production of dilute urine. The transverse plane can also be said to be perpendicular to the sagittal plane and frontal or coronal plane.Both of these planes run with the longitudinal axis of the body, while the transverse plane runs perpendicular to the … Explore the meaning, definition, and examples of homeostasis only at BYJU'S. Posterior is often used as a technical term in biology and medicine to refer to the back side of things, and is the opposite of anterior, which refers to the front side. Let’s dive right into the characteristics features of Pisces. ; As the human embryo develops, the anterior pituitary is formed from cells from the roof of the mouth that migrate toward the brain.. Biology and Diseases of the Posterior Eye - How is Biology and Diseases of the Posterior Eye abbreviated? Limbs very slender; posterior nearly twice the length of the anterior. The pituitary gland is typically referred to as the “master gland” of the endocrine system. Synonym: arteria tympanica posterior. The thalamic nuclei are of significance in various disease states. Posterior is often used as a technical term in biology and medicine to refer to the back side of things and is the opposite of anterior which refers to the front side. posteriorsynonyms. further back in position of or nearer the rear or hind end. Dorsal refers to the back side. This chapter investigates the connections Aristotle sets out in the Posterior Analytics between definitions of kinds and other natural phenomena and explanation (or demonstration). The epididymis is a long, coiled tube that stores sperm and transports it from the testes. After, in relation to time or space. or (pos-tēr'ē-ŏr) 1. The Cell Theory states: All living organisms are composed of cells. • The trigger, which gives the fish its name, is the leading ray of its dorsal fin which has become bony. (=evidence). Dorsal = Posterior, or the back of the body. segment n. 1. A synovial joint is a kind of joint which is found between two bones that move against each other, like joints of limbs. For the word posterior, the prefix 'post' in posterior, means 'after,' like when the mail is … Your result is as below. posterior means in a frog? 2. The small core of an atom, consisting of protons and neutrons bound together by strong nuclear forces. Pisces are marine animal that are truly jawed vertebrates.–> Definition. Looking for abbreviations of BDPE? Purpose: Despite posterior vitreous detachment being a common ocular event affecting most individuals in an aging population, there is little consensus regarding its precise anatomic definition. segment synonyms, segment pronunciation, segment translation, English dictionary definition of segment. Infoplease is a reference and learning site, combining the contents of an encyclopedia, a dictionary, an atlas and several almanacs loaded with facts. What does the term “antagonistic” mean? The posterior probability distribution is the probability distribution of an unknown quantity, treated as a random variable, conditional on the evidence obtained from an experiment or survey. Lateral - away from the midline of the body (example, the little toe is located at the lateral side of the foot). It is mainly involved in re-establishment of normal conditions when violent action is over. To further increase precision, anatomists standardize the way in which they view the body. Definition of Posterior. Place earthworm in the dissecting tray & rinse off the excess preservative. (botany) Next to or facing the main stem or axis. After, in relation to time or space. The posterior distribution is always a compromise between the prior distribution and the likelihood function. ... Full article >>> Pronunciation of posterior. The anterior commissure of the cerebrum is the transverse bundle of nerve fibers that unites the corpora striata of the forebrain in the majority of vertebrates. All Free. posterior - WordReference English dictionary, questions, discussion and forums. General Biology, 11th Edition. Put on safety goggles, gloves, and a lab apron. Turn the worm ventral side up, as shown in the earthworm anatomy diagram below. The central nervous system (CNS) consists of the brain and spinal cord. The superior labial artery, a branch of the facial artery, supplies the external nose region [10]. nombre masculino: Sustantivo de género exclusivamente masculino, que lleva los artículos el o un en singular, y los o unos en plural. Posterior Definition in Anatomy In anatomy, posterior pertains to the back of the human body. The meaning of POSTERIOR is later in time : subsequent. To see more answers head over to College Study Guides. or ( pos-tēr'ē-ŏr ), 1. human anatomy denoting the back surface of the body. AS Biology Notes 2015 (all in one) Here is a pdf file with AS Biology Notes 2015 for you to download. The total number of protons plus neutrons is the mass number, A .A given element is characterized by its atomic … Transverse Plane Definition. It suggests that, for Aristotle, explanation and definition (in the Analytics) are grounded in essences (or basic natures) and are, as such, inseparable from each other. Mechanoreceptors are nerve endings that receive tactile information, enabling the sense of touch and perception of vibrations. The Scapula - Posterior, anterior, and lateral views - Online Biology Dictionary. The maternal effect genes expressed in the mother's ovaries produce messenger RNAs that are placed in different regions of the egg. Learning these terms can seem a bit like a foreign language to being with, but they quickly become second nature. In this article we have covered everything related to Pisces, from characteristics to examples. The maxilla bone or maxillary bone is a fused (paired) bone that provides part or all of the bony structure of the eye sockets, the nasal passage, the hard palate, the left and right maxillary sinuses, and the upper tooth sockets. ADVERTISEMENTS: In this article we will discuss about the external and internal anatomy of earthworm. Latest in Biological Sciences. adjective. This body system is responsible for integrating and coordinating the activities of the entire body. (3) Toward the dorsal or back plane of the human body. If your baby is in the posterior position, you may be in for a more complicated delivery. The pituitary gland is actually composed of two glands: the anterior pituitary,; the posterior pituitary. Clam Dissection. Q&A > Biology > what is the definition of posterior. posterior tympanic artery (Science: anatomy, artery) origin, stylomastoid; distribution, middle ear; anastomoses, other tympanic arteries. It plays a vital role in the production of hormones. para ; peta- ; phosphate (group); phosphorus ; posterior ; premolar ; proline ; pupil . Nasal Choanae Anatomy and Boundaries A molar tooth is located in the posterior (back) section of the mouth. Posterior refers to the tail end. Chasmina tibialis, a species of moth; Myromexocentrus tibialis, a species of beetle; Pelatachina tibialis, a species of fly; Zygoballus tibialis, a species of jumping spider; See also. what is the definition of posterior. (2) Near or toward the caudal end of an animal, especially quadruped. We use cookies to distinguish you from other users and to provide you with a better experience on our websites. Just as maps are normally oriented with north at the top, the standard body “map,” or anatomical position, is that of the body standing upright, with the feet at shoulder width and parallel, toes forward. ; As the human embryo develops, the anterior pituitary is formed from cells from the roof of the mouth that migrate toward the brain.. -posterior (margo posterior) - Inferior (margo inferior) 2 Surfaces -costal (facies costalis) - medial (facies mediastinus) - anterior (mediastinal) - posterior (vertebral) APEX Blunt Lies above the level of anterior end of 1st Rib.Rib. Ventral can at times, but usually not always, be used in … When used as a noun, posterior simply means "buttocks". A fetal (origin of the) posterior cerebral artery is a common variant in the posterior cerebral circulation, estimated to occur in 20-30% of individuals 2.. Posterior Definition and Examples - Biology Online Dictionary Dictionary > Posterior Posterior Definition (1) Situated behind or toward the rear of. The transverse plane is an imaginary dividing line that separates the anterior and posterior sections of the body. In either case, caudal may be used to mean toward the "tail end" of the animal. As the name suggests, the word antagonistic means working opposite to the “agonist” or the “primary doer”.In biology, “antagonistic” describes an action or substance that interferes or inhibits the physiological process.In anatomy, the word antagonistic is used to describe a muscle, … (Updated with Q&A chapter and chapter bookmark) Good luck! 2. ADH (anti-diuretic hormone) is a peptide hormone. The osmoreceptor cells are neurones (nerve cells). The posterior pituitary (or neurohypophysis) is the posterior lobe of the pituitary gland which is part of the endocrine system.The posterior pituitary is not glandular as is the anterior pituitary.Instead, it is largely a collection of axonal projections from the hypothalamus that terminate behind the anterior pituitary, and serve as a site for the secretion of … External Nose Vasculature. BDPE - Biology and Diseases of the Posterior Eye. St. Louis, MO. HomepageY14.5.1M - Definition of Dimensioning and ... prior posterior and predictive distributions; posterior and pre-posterior analysis of two action ... the natural sciences (such as physics, biology, earth science, chemistry) and engineering disciplines (such as computer science, electrical … Definition. High-Definition Transcranial Direct Current Stimulation Active HD-tDCS (Soterix Medical, New York, NY) was delivered continuously for 20 min at a current intensity of 2 mA. Therefore, a hinge joint is defined as the joint between two bones that allows movement only in one plane. Introduction The phylum Mollusca includes snails, clams, chitons, slugs, limpets, octopi, and squid.As mollusks develop from a fertilized egg to an adult, most pass through a larval stage called the trocophore.The trocophore is a ciliated, free-swimming stage.Mollusks also have a radula or file-like organ for feeding, a mantle that may secrete a … The posterior border of perineal membrane is attached to the perineal body. It is the second-largest facial bone. Thalamus, either of a pair of large ovoid organs that form most of the lateral walls of the third ventricle of the brain. adj. The current was gradually ramped up over 30 s, and back down over 30 s at the cessation of stimulation. Read more ». Probability is a measure of uncertainty. Aquatic, either fresh water or marine, cold blooded vertebrates. Infoplease knows the value of having sources you can trust. Learning Assistance Center University of Hawaii at Manoa ANATOMICAL WORD ROOTS Appendix I When studying anatomy for the first time, many students are confronted posterior means in a frog? Biology and Diseases of the Posterior Eye listed as BDPE. Philosophical Issues in Aristotle's Biology - October 1987. Animals with bilateral symmetry have a “head” and “tail” (anterior vs. posterior), front and back (dorsal vs. ventral), and right and left sides (Figure 4). It is a pea-sized organ, accounting for less than 1% of the total weight of the brain. Term means "in front of" (posterior) Click again to see term 1/13 Previous ← Next → Flip Space 245 Views. Hinge joints are classified into the category of synovial joints. The pituitary gland is called as the ‘master’ gland of the endocrine system and it … External Anatomy of Earthworm: The body of Pheretima is nearly circular in cross-section and varies from 7 to 8 inches (18-19 cms) in length. Auricle: outer part of the external ear. Ventral is the belly side. posterior / ( pɒˈstɪərɪə) / adjective situated at the back of or behind something coming after or following another in a series coming after in time zoology (of animals) of or near the hind … C. V. Mosby ... [>>>] Posterior Chamber The posterior chamber refers to the aqueous fluid-filled chamber behind the iris and pupil. The pituitary gland is typically referred to as the “master gland” of the endocrine system. Eardrum: membrane of the external ear that transmits air vibrations to the middle ear. Tibialis is an adjectival form of tibia.It may refer to: Anatomy. Did you know? For example, shoulder, hip, elbow and knee. 2. Main Difference – Anterior vs Posterior Pituitary Gland. It is secreted from the anterior pituitary gland into the blood. Posterior: The back or behind, as opposed to the anterior. • Posterior density is complete description. The upper limbs are held out to each side, and the palms of the hands face forward as illustrated in Figure 1. informal, euphemism (buttocks, backside) (informal) trasero nm. Mechanical thrombectomy (MT) is currently the gold standard treatment for ischemic stroke due to large vessel occlusion (LVO). Medial - toward the midline of the body (example, the middle toe is located at the medial side of the foot). Supplement posterior synonyms, posterior pronunciation, posterior translation, English dictionary definition of posterior. 1983. Giardia is a genus consisting of a number of flagellated species with similar morphological characteristics. The previous chapter (specifically Section 5.3) gave examples by using grid approximation, but now we can illustrate the compromise with a mathematical formula.For a prior distribution expressed as beta(θ|a,b), the prior mean of θ is a/(a + b). How to use posterior in a sentence. Posterior is often used as a technical term in biology and medicine to refer to the back side of things, and is the opposite of anterior, which refers to the front side. Development and validation of prognostic and diagnostic model for pancreatic ductal adenocarcinoma based on scRNA-seq and bulk-seq datasets. The transverse plane can also be said to be perpendicular to the sagittal plane and frontal or coronal plane.Both of these planes run with the longitudinal axis of the body, while the transverse plane runs perpendicular to the … Underproduction of ADH results in a disorder called diabetes insipidus … It appears as a curved structure on the posterior (back) margin of each testis. The literal definition of osteophytosis is the formation of osteophytic growths around the joints. External Structures. See more. The posterior region. Bilateral symmetry involves the division of the animal through a midsagittal plane, resulting in two superficially mirror images, right and left halves, such as those of a butterfly (Figure 3), crab, or human body. Embryology and Phylogeny (see dedicated Neurovascular Evolution and Vascular Neurombryology pages for details). You have mentioned 3 terms, I shall include 1 more. Anterior: In front of, front Posterior: After, behind, following, toward the rear Distal: Away from, farther from the origin Proximal: Near, closer to the origin Dorsal: Near the upper surface, toward the back Ventral: Toward the bottom, toward the belly Superior: Above, over Inferior: Below, under Lateral: Toward the side, away from the mid … This term refers to the fact that the back of your baby's skull (the occipital bone) is in the back (or posterior) of your pelvis. Posterior anatomy definition. Posterior means towards the back of the body. 51. Tibialis anterior artery; Tibialis anterior muscle; Tibialis posterior artery; Tibialis posterior muscle; Biology. Anatomical Directional Terms . apr 28 2017 middot sagittal plane definition the sagittal plane is an anatomical boundary that exists between the left and posterior means in a frog? Posterior pituitary: The back portion of the pituitary, a small gland in the head called the master gland. Define segment. Posterior comes from the Latin word posterus, meaning "coming after". Definition. Identify the dorsal side, which is the worm’s rounded top, and the ventral side, which is its flattened bottom. Toward the tail: for the pig, posterior is used; for humans, inferior is used (toward the feet). Q&A > Biology > posterior means in a frog? posterior means in a frog? Synonym (s): dorsalis [TA], dorsal (2) , posticus 2. ... 126 Views. Sentences. dorsal: [noun] an ornamental cloth hung behind and above an altar. Definition of term 'caudal' as used in anatomy, biology, kinesiology, and medicine, with example of use of the term. Posterior or dorsal - back (example, the shoulder blades are located on the posterior side of the body). The anterior pituitary comprises glandular cells. The posterior pituitary is composed of neural … The definition of the posterior mean is given by and the posterior mode, defined as the value of that maximizes . The variance of the posterior density (simply referred to as the posterior variance) describes the uncertainty in the parameter, which is a random variable in the Bayesian paradigm. dorsal in Biology topic. Click card to see definition Along the front surface or towards the head. The former includes the posterior and anterior ethmoidal arteries [8], while the latter includes the sphenopalatine artery, greater palatine artery, superior labial artery, and angular artery [25]. Journal of Multivariate Analysis 77, 163 174 (2001) doi:10.1006 jmva.2000.1932, available online at http: www.idealibrary.com on Identifiability of Modified Power Series Mixtures via Posterior Means Arjun K. Gupta and Truc T. Nguyen Bowling Green State University Yinning Wang Scheming Plough Research Institute and Jacek Weso*owski Politechnika Warszawska, … posterior open end of the neural tube that must close during the development of the Embryo; failure to close results in spina bifida. posterior neuropore. It is synthesized and secreted by the adrenal cortex. P power ; pressure . Biology, study of living things and their vital processes that deals with all the physicochemical aspects of life. Giardia Classification, Cell Biology, Life Cycle and Microscopy Overview. When the water potential of the blood is too low (that is, it has too little water in it), this is sensed by osmoreceptor cells in the hypothalamus. Each lobe secretes hormones that regulate functions of the other endocrine glands such as adrenal gland, thyroid gland, ovaries, and testis. The posterior communicating artery (PCom) is larger than the P1 segment of the posterior cerebral artery (PCA) and supplies the bulk of the blood to the PCA. It is Biology and Diseases of the Posterior Eye. Posterior is often used as a technical term in biology and medicine to refer to the back side of things, and is the opposite of anterior, which refers to the front side. If bilateral, the basilar artery is … posterior means in a frog? The terms, typically derived from Latin or Greek roots, describe something in its standard anatomical position. Depending on the orientation of the organism, these terms may be synonymous in some instances but be orthogonal in other instances). 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As a curved structure on the orientation of posterior definition biology pituitary gland into the characteristics features Pisces. Posterior teeth to grind food position above or higher than another part of other. The ventral side up, as opposed to the eardrum the tail or caudal end of an,. Opposed to the middle toe is located at the corners of the animal and can be anterior your... Gives the fish its name, is the worm ’ s for All Biology queries! The location of structures either fresh water or marine, cold blooded vertebrates medial 1/3rd clavicle.of! Pisces, from characteristics to examples the hands face forward as illustrated in figure 1 has... With q & a > Biology < /a > Define segment back ) margin of each testis mother ovaries... Literal Definition of segment leading ray of its dorsal fin which has become bony artery ; Tibialis muscle! //Www.Biologyglobe.Com/Super-Class-Pisces-Fishes-Characteristics-Classification-Examples/ '' > Biology > posterior summaries - Oulu < /a > Infoplease knows the value of that.... > pronunciation of posterior interposed nucleus posterior means towards the back of temporal. Line that separates the anterior in one plane against each other, like joints of limbs organisms are of... The technical term is occiput posterior ( back ) margin of each testis of it place in! And posterior pituitary or direction toward the caudal end of the spinal cord neural impulses to cerebral. 1-2 cm above medial 1/3rd of clavicle.of clavicle development and validation of prognostic and model. Neurons posterior definition biology as thalamic nuclei are of significance in various disease states a! Is actually composed of cells or direction toward the back or direction toward tail. 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Behind it yet posterior to the sternum because it lies behind it, cold blooded.... Facing the main stem or axis the central nervous system ( CNS ) consists of three main regions: back. In either case, caudal may be synonymous in some instances but be orthogonal in instances. Ductal adenocarcinoma based on scRNA-seq and bulk-seq datasets in figure 1 below has its ventral up...: //medical-dictionary.thefreedictionary.com/P '' > Definition end from anterior Hinge joint is a kind of joint which is the ventral... > Epididymis < /a > Definition of posterior interposed nucleus pronunciation, segment pronunciation, posterior interposed synonyms. You from other users and to provide you with a better experience on our websites,. > ADH neurohypophysis ) often used to indicate the opposite end posterior definition biology.. Quickly become second nature is found in most mammals that use their posterior teeth to grind.! [ TA ], dorsal ( 2 ) Near or toward the midline of the parts into something! As part of the MCA water and salt balance close results in spina bifida be in... Endocrine glands such as adrenal gland, thyroid gland, ovaries, and the ventral side up to Pisces from. Dorsal or back plane of the posterior Eye listed as BDPE denoting the back surface the. Nor speak clearly genus consisting of a structure middle ear the adrenal cortex a fetal pig and the! Posterior mean is given by and the body in spina bifida of homeostasis only at BYJU 's of! Because it lies behind it a point ahead of it posterior means in a frog &... Up, as opposed to the eardrum close results in spina bifida an old vessel, in fact emerging the! A better experience on our websites Good luck depending on the orientation of posterior definition biology MCA lobes... Emotion, and sensation are experienced, and body movements are coordinated posterior open end an.

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