| agenesis of corpus callosum | <radiology> Defect in dorsal portion of lamina reuniens, occurs about 10th - 12th week of gestation, may be complete or partial CT findings: parallel lateral ventricles, occipital horns dilated, deep falx, frontal horns C-shaped on coronal view associated with, Dandy-Walker cyst, encephalocele, Arnold-Chiari malformation, CNS lipoma (12 Dec 1998) |
|---|---|
| agenitalism | Congenital absence of genitalia. (05 Mar 2000) |
| agennesis | <physiology> Impotence; sterility. Origin: Gr. Priv. + an engendering. Source: Websters Dictionary (01 Mar 1998) |
| agenosomia | Markedly defective formation or absence of the genitalia in a foetus; usually accompanied by protrusion of the abdominal viscera through an incomplete abdominal wall. Origin: G. A-priv. + genos, sex, + soma, body (05 Mar 2000) |
| agent | <pharmacology> Any power, principle or substance capable of producing an effect, whether physical, chemical or biological. Origin: L. Agens = acting (18 Nov 1997) |
| Agent Orange | An herbicide and defoliant, consisting of (2,4,5-trichlorophenoxy)acetic acid, (2,4-dichlorophenoxy)acetic acid, and dioxin, that was widely used in the Vietnam War; it has been shown to possess residual post-exposure carcinogenic and teratogenic properties in humans. (05 Mar 2000) |
| agent, anti-infective | Something capable of acting against infection, by inhibiting the spread of an infectious agent or by killing the infectious agent outright. (12 Dec 1998) |
| agent, antihypertensive | As the name suggests, a drug aimed at reducing high blood pressure (hypertension). (12 Dec 1998) |
| agent, tocolytic | A medication that can inhibit labour, slow down or halt the contractions of the uterus. Tocolytic agents are widely used today to treat premature labour and permit pregnancy to procede and so let the foetus gain in size and maturity before being born. (12 Dec 1998) |
| agerasia | An appearance of youth in old age. Origin: G. Agerasia, eternal youth, fr. A-priv. + geras, old age (05 Mar 2000) |
| ageratum | <botany> A genus of plants, one species of which (A. Mexicanum) has lavender-blue flowers in dense clusters. Origin: NL, fr. Gr. A sort of plant; priv. + old age. Source: Websters Dictionary (01 Mar 1998) |
| ageusia | Absence of the sense of taste. (12 Dec 1998) |
| ageustia | Absence of the sense of taste. (12 Dec 1998) |
| developmental age | Age estimated by anatomic development since implantation, the degree of anatomic, physiologic, mental, and emotional maturation. Synonym: foetal age. (05 Mar 2000) |
|---|---|
| infant, small for gestational age | An infant having a birth weight lower than expected for its gestational age. (12 Dec 1998) |
| old age assistance | Financial assistance for the impoverished elderly through public funding of programs, services, and individual income supplements. (12 Dec 1998) |
| emotional age | A measure of emotional maturity by comparison with average emotional development. (05 Mar 2000) |
| foetal age | Age estimated by anatomic development since implantation, the degree of anatomic, physiologic, mental, and emotional maturation. Synonym: foetal age. (05 Mar 2000) |