| achalasia | <gastroenterology> Constriction of the lower portion of the food pipe (oesophagus) due to inability of the sphincter muscles to relax. Symptoms include difficulty swallowing, chest pain, vomiting and heartburn. Treatment includes oesophageal dilation using special instruments or medications (for example nitroglycerin, calcium channel blockers). (27 Sep 1997) |
|---|---|
| Achard syndrome | <syndrome> Arachnodactyly with small receding mandible, broad skull, and joint laxity limited to the hands and feet; genetics unclear. (05 Mar 2000) |
| Achard, E. Charles | <person> French physician, 1860-1941. See: Achard syndrome, Achard-Thiers syndrome. (05 Mar 2000) |
| Achard-Thiers syndrome | <syndrome> One form of a virilizing disorder of adrenocortical origin in women, characterised by masculinization and menstrual disorders in association with manifestations of diabetes mellitus, such as glucosuria. (05 Mar 2000) |
| achate | 1. Purchase; bargaining. 2. Provisions. Same as Cates. Origin: F. Achat purchase. See Cates. Source: Websters Dictionary (01 Mar 1998) |
| achatina | <zoology> A genus of land snails, often large, common in the warm parts of America and Africa. Origin: NL, from Gr. Agate. Source: Websters Dictionary (01 Mar 1998) |
| ache | <botany> A name given to several species of plants; as, smallage, wild celery, parsley. Origin: F. Ache, L. Apium parsley. Source: Websters Dictionary (01 Mar 1998) |
| acheilia | Congenital absence of the lips. Origin: G. A-priv. + cheilos, lip (05 Mar 2000) |
| acheilous | Characterised by or relating to acheilia. (05 Mar 2000) |
| acheiria | 1. Congenital absence of one or both hands. 2. Anaesthesia in, with loss of the sense of possession of, one or both hands; a condition sometimes noted in hysteria. 3. A form of dyscheiria in which the patient is unable to tell on which side of the body a stimulus has been applied. Origin: G. A-priv. + cheir, hand (05 Mar 2000) |
| acheirous | Characterised by or relating to acheiria. (05 Mar 2000) |
| Achenbach syndrome | <syndrome> Haematoma of the finger pad with accompanying oedema; of unknown cause in the absence of disturbances in blood coagulation mechanisms. (05 Mar 2000) |
| Achenbach, Walter | <person> 20th century German internist. See: Achenbach syndrome. (05 Mar 2000) |
| achene | <botany> A dry, closed (indehiscent) fruit which contains a single seed. (06 May 1997) |
| achenium | <botany> A small, dry, indehiscent fruit, containing a single seed, as in the buttercup; called a naked seed by the earlier botanists. Alternative forms: akene and achaenium. Origin: Gr. Priv. + to gape. Source: Websters Dictionary (01 Mar 1998) |