| Gierke, Hans | <person> German anatomist, 1847-1886. See: Gierke's respiratory bundle. (05 Mar 2000) |
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| gieseckite | <chemical> A mineral occurring in greenish gray six-sided prisms, having a greasy luster. It is probably a pseudomorph after elaeolite. Origin: Named after Karl Giesecke. Source: Websters Dictionary (01 Mar 1998) |
| Gifford's reflex | A constriction of both pupils when an effort is made to close eyelids forcibly held apart. A variant of the pupil response to near vision. Synonym: Galassi's pupillary phenomenon, Gifford's reflex, lid-closure reaction, orbicularis phenomenon, orbicularis pupillary reflex, Piltz sign, Westphal's pupillary reflex, Westphal-Piltz phenomenon. (05 Mar 2000) |
| Gifford, Harold | <person> U.S. Ophthalmologist, 1858-1929. See: Gifford's reflex. (05 Mar 2000) |
| GIFT | <gynaecology> Gamete intra-fallopian transfer is a technique that involves combining eggs and sperm outside of the body and immediately placing them into the fallopian tubes to achieve fertilization. A technique that came into use in the mid-1980's for assisted conception in infertile women with normal fallopian tubes. The protocol consists of hormonal stimulation of the ovaries, followed by laparoscopic follicular aspiration of oocytes, and then the transfer of sperm and oocytes by catheterization into the fallopian tubes. Acronym: GIFT (12 Dec 1998) |
| gig | To fish with a gig. Source: Websters Dictionary (01 Mar 1998) |
| giga- | <prefix> Prefix used in the SI and metric systems to signify one billion (109). Origin: G. Gigas, giant (05 Mar 2000) |
| gigantism | A condition where there is over-production of growth hormone by the pituitary gland in a child before the bone growth plates close, resulting in excessive long bone growth. (27 Sep 1997) |
| giganto- | Huge, gigantic. Origin: G. Gigas, one of the race of giants (05 Mar 2000) |
| gigantocellular glioma | A histologic form of glioblastoma with large, often multinucleated, bizarre, tumour cells. Synonym: giant cell monstrocellular sarcoma of Zulch. (05 Mar 2000) |
| gigantocellular nucleus of medulla oblongata | One of the three major nuclei of the reticular formation of the brainstem. Synonym: nucleus gigantocellularis medullae oblongatae. (05 Mar 2000) |
| gigantology | An account or description of giants. Origin: Gr, giant: cf. F. Gigantologie. Source: Websters Dictionary (01 Mar 1998) |
| gigantomachy | A war of giants; especially, the fabulous war of the giants against heaven. Origin: L. Gigantomahia, fr. Gr., giant + battle: cf. F. Gigantomachie. Source: Websters Dictionary (01 Mar 1998) |
| gigantomastia | Massive hypertrophy of the breast. Origin: Giganto-+ G. Mastos, breast (05 Mar 2000) |
| Gigantorhynchus | A genus of very large acanthocephalan worms. See: Macracanthorhynchus, Moniliformis. Origin: Giganto-+ G. Rhynchos, snout (05 Mar 2000) |