posterior
(Science: anatomy) Situated in back of or in the back part of or affecting the back or dorsal surface of the body. In lower animals, it refers to the caudal end of the body.
Origin: L. = behind, neut. Posterius ...
(Rami Posteriores)
The posterior divisions are as a rule smaller than the anterior.
Posterior lobe of the pituitary.
Receives
antidiuretic hormone (ADH) and
oxytocin
from the hypothalamus and releases them into the blood.
Link to discussion of the pituitary.
posterior
Of or pertaining to the rear, or tail, end.
postsynaptic membrane ...
posterior neuropore - posterior open end of the neural tube that must close during the development of the embryo; failure to close results in spina bifida
precocious (adj.) - developing earlier than normal.
The Posterior Pituitary
The posterior pituitary stores and releases hormones into the blood.
[edit] Posterior segment
Diagram of a human eye; note that not all eyes have the same anatomy as a human eye.
posterior and dorsal bone of the pelvic girdle
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby
...
posterior Situated at or toward the rear of the body; situated toward the back; in human anatomy the upright posture makes posterior and dorsal identical.
the posteriormost of 3 primary vesicles (bulges) formed from the anterior neural tube.
Anterior-posterior axis patterning in Drosophila
Morphogenesis of the fruit fly Drosophila melanogaster starts with the construction of asymmetries within the oocyte and proceeds to pattern formation along the embryonic axes.
anus The posterior opening of the digestive tract.
aorta The artery that carries blood from the left ventricle for distribution throughout the tissues of the body. The largest diameter and thickest walled artery in the body.
ulna
The posterior of two bones of the forearm of tetrapods. The ulna articulates proximally with the humerus and distally with the carpals.
idiosoma - posterior of the two basic parts of the body of a mite or tick, bearing the legs and most internal organs (Glossary of PM)
immature - not mature or ripe; any arthropod stage not in the reproductive mature form ...
abdomen. The posterior body division of an arthropod.
abiotic disease. A disease caused by factors other than pathogens.
abiotic disorder. A disease caused by factors other than a pathogen; physiological disorder.
Specifically, the posterior region is significantly larger and the anterior region is significantly smaller in the cabbies when compared with control subjects.
It begins with a "primitive streak" which establishes the anterior and posterior axes and the bilateral symmetry of the body. The neural tube forms from the union of two ridges on the top side.
A posteriori one must be left with a sufficient number of probes that have matched the target so that a tiling pattern of probes can be assembled to span the entire target.
The most posterior region of the brain of the developing embryo which is divided into the more anterior metencephalon and the more posterior myelencephalon. It later differentiates into the cerebellum, medulla oblongata, and pons (in mammals).
dorsal view lateral view posterior view anterior view
Flexicalymene
A specimen of Flexicalymene from Ordovician-age rocks near Arnheim, Ohio. The family resemblance to Diacalymene is pretty obvious. This photo was taken by Rick Larush (rick@geo.
Term commonly used to describe the pathognomonic signs of posterior incoordination of cattle infected with vampire bat rabies.
Anal: Relating to or near the anus, or the posterior opening of the alimentary canal (Abercrombie et al., 1973).
Androdieocious: Reproductive strategy in which individuals are either strictly males or hermaphrodites.
pygidium -- In trilobites, the posterior division of the body, formed by fusion of the telson with one or more posterior pleurae.
Cerebellum the wrinkled-looking‚ posterior part of the brain
(cereb = the brain; -elle = small)
Cerebrum the large‚ anterior portion of the brain
(cereb = the brain) ...
Sequences show the motility of this ciliated protozoan and the repetitious activity of both anterior and posterior contractile vacuoles.
5.4 Spirostomum (ciliated protozoa) ...
 See also: Human, Class, Trans, Anatomy, Lateral
|
