| allachesthesia | A condition in which a tactile sensation is referred to a point other than that to which the stimulus is applied. See: allochiria. Origin: G. Allache, elsewhere, + aisthesis, sensation (05 Mar 2000) |
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| allanite | <chemical> A silicate containing a large amount of cerium. It is usually black in colour, opaque, and is related to epidote in form and composition. Origin: From T. Allan, who first distinguished it as a species. Source: Websters Dictionary (01 Mar 1998) |
| allantiasis | An obsolete term for sausage poisoning due to botulism. Origin: G. Allas (allant-), sausage (05 Mar 2000) |
| allanto- | Allantois; allantoid; sausage. Origin: G. Allas, allantos, sausage (05 Mar 2000) |
| allantoate deiminase | <enzyme> An enzyme that catalyses the conversion of allantoic acid to ureidoglycine, NH3, and CO2. (05 Mar 2000) |
| allantoate permease | <chemical> From saccharomyces cerevisiae Synonym: allantoin permease (26 Jun 1999) |
| allantochorion | Extraembryonic membrane formed by the fusion of the allantois and chorion. (05 Mar 2000) |
| allantoenteric diverticulum | An endoderm-lined outpouching of the hindgut (in humans, the yolk sac of a very young embryo) representing the primordium of the allantois; in most amniotes, it grows into the extraembryonic celom; in humans, the distal part of the allantoic lumen is rudimentary, not extending beyond the body stalk. Synonym: allantoenteric diverticulum. (05 Mar 2000) |
| allantogenesis | Formation and development of the allantois. Origin: allanto-+ G. Genesis, origin (05 Mar 2000) |
| allantoic | Pertaining to, or contained in, the allantois. Allantoic acid. <chemistry> See Allantoin. Origin: Cf. F. Allantoique. Source: Websters Dictionary (01 Mar 1998) |
| allantoic acid | Diureidoacetic acid;a degradation product of allantoin. (05 Mar 2000) |
| allantoic bladder | A type of bladder formed as an outgrowth of the cloaca. (05 Mar 2000) |
| allantoic cyst | Cyst occurring in a persistent portion of the urachus, presenting as an extraperitoneal mass in the umbilical region. It is characterised by abdominal pain, and fever if infected. It may rupture, leading to peritonitis, or it may drain through the umbilicus. (12 Dec 1998) |
| allantoic diverticulum | An endoderm-lined outpouching of the hindgut (in humans, the yolk sac of a very young embryo) representing the primordium of the allantois; in most amniotes, it grows into the extraembryonic celom; in humans, the distal part of the allantoic lumen is rudimentary, not extending beyond the body stalk. Synonym: allantoenteric diverticulum. (05 Mar 2000) |
| allantoic fluid | The fluid within the allantoic cavity. (05 Mar 2000) |