| GH | <endocrinology, hormone> Polypeptide (191 amino acids) produced by anterior pituitary that stimulates liver to produce somatomedins 1 & 2. (13 Nov 1997) |
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| ghana | A republic in western africa, south of burkina faso and west of togo. Its capital is accra. It was called the gold coast until 1957, from the gold discovered there by the portuguese in the late 15th century. A centre for slave trade, it was acquired by the british in the 19th century and became independent in 1957. Ghana took its name from a tribal leader that stands for king. (12 Dec 1998) |
| ghatti gum | An exudation from Anogeisus latifolia (family Combrettaceae); the mucilage is used as a substitute for acacia mucilage. Synonym: ghatti gum. (05 Mar 2000) |
| ghee | A clarified butter in India made from cow or buffalo milk that has been coagulated before churning; used as an emollient, a dressing for wounds, and a food. Origin: Eng. Spelling of Hind. Ghi (05 Mar 2000) |
| Gheel colony | A colony in Gheel, Belgium, originating in the 13th century, for the informal communal care, in private homes, of severely mentally disordered persons. (05 Mar 2000) |
| gherkin | 1. <botany> A kind of small, prickly cucumber, much used for pickles. 2. <zoology> See Sea gherkin. Origin: D. Agurkje, a dim. Akin to G. Gurke, Dan. Agrke; cf. Pol. Ogorek, Bohem. Okurka, LGr. Watermelon, Ar. Al-khiyar, Per. Khiyar. Source: Websters Dictionary (01 Mar 1998) |
| ghetto | 1. The Jews' quarter in an Italian town or city. "I went to the Ghetto, where the Jews dwell." (Evelyn) 2. By extension, any section of a town inhabited predominantly by members of a specific ethnic, national or racial group, such segregation usually arising from social or economic pressure. 3. (fig) any isolated group of people. 4. (fig) any group isolated by external pressures, with an implication of inferiority. Origin: It. (13 Jul 1998) |
| Ghon's complex | Calcification seen in pulmonary parenchyma (usually mid-lung area) and hilar nodes resulting from earlier, usually childhood, infection with tuberculosis. Synonym: Ghon's complex, Ghon's focus, Ghon's primary lesion. (05 Mar 2000) |
| Ghon's focus | Calcification seen in pulmonary parenchyma (usually mid-lung area) and hilar nodes resulting from earlier, usually childhood, infection with tuberculosis. Synonym: Ghon's complex, Ghon's focus, Ghon's primary lesion. (05 Mar 2000) |
| Ghon's primary lesion | Calcification seen in pulmonary parenchyma (usually mid-lung area) and hilar nodes resulting from earlier, usually childhood, infection with tuberculosis. Synonym: Ghon's complex, Ghon's focus, Ghon's primary lesion. (05 Mar 2000) |
| Ghon's tubercle | Calcification seen in pulmonary parenchyma (usually mid-lung area) and hilar nodes resulting from earlier, usually childhood, infection with tuberculosis. Synonym: Ghon's complex, Ghon's focus, Ghon's primary lesion. (05 Mar 2000) |
| Ghon, Anton | <person> Czechoslovakian pathologist, 1866-1936. See: Ghon's complex, Ghon's focus, Ghon's primary lesion, Ghon's tubercle, Ghon-Sachs bacillus. (05 Mar 2000) |
| Ghon-Sachs bacillus | A species found in malignant oedema of animals, in human war wounds, and in cases of appendicitis; it is pathogenic for guinea pigs, rabbits, mice, and pigeons and produces an exotoxin that is lethal and haemolytic. Synonym: Ghon-Sachs bacillus, Sachs' bacillus, vibrion septique. (05 Mar 2000) |
| ghost | 1. The spirit; the soul of man. "Then gives her grieved ghost thus to lament." (Spenser) 2. The disembodied soul; the soul or spirit of a deceased person; a spirit appearing after death; an apparition; a specter. "The mighty ghosts of our great Harrys rose." (Shak) "I thought that I had died in sleep, And was a blessed ghost." (Coleridge) 3. Any faint shadowy semblance; an unsubstantial image; a phantom; a glimmering; as, not a ghost of a chance; the ghost of an idea. "Each separate dying ember wrought its ghost upon the floor." (Poe) 4. A false image formed in a telescope by reflection from the surfaces of one or more lenses. <zoology> Ghost moth the third person in the Trinity. To give up or yield up the ghost, to die; to expire. "And he gave up the ghost full softly." (Chaucer) "Jacob . . . Yielded up the ghost, and was gathered unto his people". (Gen. Xlix. 33) Origin: OE. Gast, gost, soul, spirit, AS. Gast breath, spirit, soul; akin to OS. Gst spirit, soul, D. Geest, G. Geist, and prob. To E. Gaze, ghastly. Source: Websters Dictionary (01 Mar 1998) |
| ghost cell | <haematology> A red blood cell which has had all of its cytoplasmic contents removed by cell lysis so that only its outer cytoplasmic membrane remains. (17 Dec 1997) |