Medical dictionary. 2011.
Septum — A word borrowed from the Latin "saeptum" meaning a "dividing wall or enclosure." * * * 1. [TA] A thin wall dividing two cavities or masses of softer tissue. See septal area, transparent s.. 2. In fungi, a wall; usually a cross … Medical dictionary
area — 1. [TA] Any circumscribed surface or space. 2. All of the part supplied by a given artery or nerve. 3. A part of an organ having a special function, as the motor a. of the brain. SEE ALSO … Medical dictionary
Sulcus — From the Latin for a groove, furrow, or trench. In medicine, there are many sulci (plural of sulcus) as, for example, the superior pulmonary sulcus. * * * 1. [TA] One of the grooves or furrows on the surface of the brain, bounding the several… … Medical dictionary
region — 1. An often arbitrarily limited portion of the surface of the body. SEE ALSO: space, zone. 2. A portion of the body having a special nervous or vascular supply, or a part of an organ having a special … Medical dictionary
Hypothalamus — The area of the brain that controls body temperature, hunger, and thirst. * * * The ventral and medial region of the diencephalon forming the walls of the ventral half of the third ventricle; it is delineated from the thalamus by the hypothalamic … Medical dictionary
band — 1. Any appliance or part of an apparatus that encircles or binds a part of the body. SEE ALSO: zone. 2. Any ribbon shaped or cordlike anatomic structure that encircles or binds another structure or that connects two or more parts. See fascia,… … Medical dictionary
indusium — 1. A membranous layer or covering. 2. The amnion. [L. a woman s undergarment, fr. induo, to put on] i. griseum [TA] a thin layer of gray matter on the dorsal surface of the corpus callosum in which the medial and … Medical dictionary
bundle — A structure composed of a group of fibers, muscular or nervous; a fasciculus. SYN: fasciculus (3) [TA]. aberrant bundles a group, or groups, of fibers from the corticobulbar or corticonuclear tract, directed to each of the motor … Medical dictionary
Nucleus — 1) In cell biology, the structure that houses the chromosomes. 2) In neuroanatomy, a group of nerve cells. * * * 1. In cytology, typically a rounded or oval mass of protoplasm within the cytoplasm of a plant or animal cell; it is surrounded by a… … Medical dictionary
HYPOTHALAMUS — Malgré ses dimensions restreintes (quelques centimètres cubes chez l’homme), l’hypothalamus s’est peu à peu révélé comme le centre majeur des régulations homéostasiques. En tant que tel, il jouera donc un rôle fondamental dans tous les grands… … Encyclopédie Universelle
