| acoustic area | The floor of the lateral recess of the fourth ventricle, extending medially to the limiting sulcus and overlying the cochlear and vestibular nuclei of the rhombencephalon. Synonym: area acustica. (05 Mar 2000) |
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| adaptive management area | Landscape units designated for development and testing of technical and social approaches to achieving desired ecological, economic, and other social objectives. (05 Dec 1998) |
| air quality maintenance area | Specific populated area where air quality is a problem for one or more pollutants (Portland-Vancouver, Salem, Eugene-Springfield, Medford-Ashland). (05 Dec 1998) |
| anterior intercondylar area of tibia | The broad depressed area between the tibial condyles anteriorly to which attach the anterior ends of the menisci and the anterior cruciate ligament. Synonym: area intercondylaris anterior tibiae. (05 Mar 2000) |
| aortic area | The region of the chest wall over the second right costal cartilage, where sounds produced at the aortic orifice are often best heard. (05 Mar 2000) |
| apical area | The area about the root end of a tooth. (05 Mar 2000) |
| area | Origin: L. Area a broad piece of level gro. Cf. Are. 1. Any plane surface, as of the floor of a room or church, or of the ground within an inclosure; an open space in a building. "The Alban lake . . . Looks like the area of some vast amphitheater." (Addison) 2. The inclosed space on which a building stands. 3. The sunken space or court, giving ingress and affording light to the basement of a building. 4. An extent of surface; a tract of the earth's surface; a region; as, vast uncultivated areas. 5. <geometry> The superficial contents of any figure; the surface included within any given lines; superficial extent; as, the area of a square or a triangle. 6. <biology> A spot or small marked space; as, the germinative area. 7. Extent; scope; range; as, a wide area of thought. "The largest area of human history and man's common nature." (F. Harrison) Dry area. See Dry. Source: Websters Dictionary (01 Mar 1998) |
| area acustica | The floor of the lateral recess of the fourth ventricle, extending medially to the limiting sulcus and overlying the cochlear and vestibular nuclei of the rhombencephalon. Synonym: area acustica. (05 Mar 2000) |
| area centralis | An oval area of the sensory retina, 3 by 5 mm, temporal to the optic disk corresponding to the posterior pole of the eye; at its centre is the central fovea, which contains only retinal cones. Synonym: area centralis, macula lutea, macular area, punctum luteum, Soemmerring's spot, yellow spot. (05 Mar 2000) |
| area cochleae | The area inferior to the transverse crest of the fundus of the internal acoustic meatus through which the filaments of the cochlear nerve pass to enter the cochlea; forms the base of the cone-shaped modiolus about which the cochlear canal spirals. See: base of modiolus. Synonym: area cochleae. (05 Mar 2000) |
| area cribrosa papillae renalis | The apex of a renal papilla pierced by 10 to 22 openings of the papillary ducts, the foramina papillaria. Synonym: area cribrosa papillae renalis. (05 Mar 2000) |
| area gastrica | One of a number of small polygonal area's, 1-6 mm in diameter, separated by linear depressions on the surface of the mucous membrane of the stomach; they contain the gastric pits, with several gastric glands opening into each pit. Synonym: area gastrica. (05 Mar 2000) |
| area health education centres | Education centres authorised by the comprehensive health manpower training act, 1971, for the training of health personnel in areas where health needs are the greatest. May be used for centres other than those established by the united states act. (12 Dec 1998) |
| area intercondylaris anterior tibiae | The broad depressed area between the tibial condyles anteriorly to which attach the anterior ends of the menisci and the anterior cruciate ligament. Synonym: area intercondylaris anterior tibiae. (05 Mar 2000) |
| area intercondylaris posterior tibiae | The deep notch between the tibial condyles posteriorly to which attaches the posterior cruciate ligament. Synonym: area intercondylaris posterior tibiae. (05 Mar 2000) |