Medical dictionary. 2011.
Anatomic orientation terms — In anatomy, certain terms are used to denote orientation. For example, a structure may be horizontal, as opposed to vertical. Some of the terms of anatomic orientation are as follows: {{}}Anterior: The front, as opposed to the posterior.… … Medical dictionary
Posterior (anatomic orientation) — The back, as opposed to the anterior. In anatomy, certain terms are used to denote orientation. For example, such and such a structure may be horizontal, as opposed to vertical. A list of some of the terms of anatomic orientation in alphabetical… … Medical dictionary
Dorsal (anatomic orientation) — The back, as opposed to ventral. Some of the dorsal surfaces of the body are the back, buttocks, calves, and the knuckle side of the hand (palm is ventral). For a more complete listing of terms used in medicine for spatial orientation, please see … Medical dictionary
Prone (anatomic orientation) — With the front or ventral surface downward (lying face down), as opposed to supine. For a more complete listing of terms used in medicine for spatial orientation, please see the entry Anatomic Orientation Terms … Medical dictionary
Orientation, anatomic terms of — In anatomy, certain terms are used to denote orientation. For example, a structure may be horizontal, as opposed to vertical. Some of the terms of anatomic orientation are as follows: {{}}Anterior: The front, as opposed to the posterior.… … Medical dictionary
cetacean — cetaceous, adj. /si tay sheuhn/, adj. 1. belonging to the Cetacea, an order of aquatic, chiefly marine mammals, including the whales and dolphins. n. 2. a cetacean mammal. [1830 40; < NL Cetace(a) name of the order (see CET , ACEA) + AN] * * *… … Universalium
bivalve — bivalvular /buy val vyeuh leuhr/, adj. /buy valv /, n. 1. Also called lamellibranch. Zool. any mollusk, as the oyster, clam, scallop, or mussel, of the class Bivalvia, having two shells hinged together, a soft body, and lamellate gills. adj. 2.… … Universalium
Breast — The milk engorged breast of a pregnant woman … Wikipedia
ear, human — ▪ anatomy Introduction organ of hearing and equilibrium that detects and analyzes noises by transduction (or the conversion of sound waves into electrochemical impulses) and maintains the sense of balance (equilibrium). The human ear, like … Universalium
reproductive behaviour — In animals, any activity directed toward perpetuation of a species. Sexual reproduction, the most common mode, occurs when a female s egg is fertilized by a male s sperm. The resulting unique combination of genes produces genetic variety that… … Universalium
