| grape | 1. <botany> A well-known edible berry growing in pendent clusters or bunches on the grapevine. The berries are smooth-skinned, have a juicy pulp, and are cultivated in great quantities for table use and for making wine and raisins. 2. <botany> The plant which bears this fruit; the grapevine. 3. A mangy tumour on the leg of a horse. 4. Grapeshot. Grape borer. <zoology> A minute black weevil (Craponius inaequalis) which in the larval state eats the interior of grapes. <botany> Grape flower, or Grape hyacinth, the larva of the grape moth. Soar grapes, things which persons affect to despise because they can not possess them; in allusion to aesop's fable of the fox and the grapes. Origin: OF. Grape, crape, bunch or cluster of grapes, F. Grappe, akin to F. Grappin grapnel, hook; fr. OHG. Chrapfo hook, G. Krapfen, akin to E. Cramp. The sense seems to have come from the idea of clutching. Cf. Agraffe, Cramp, Grapnel, Grapple. Source: Websters Dictionary (01 Mar 1998) |
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| grape endings | An autodescriptive term applied to synaptic terminals at the ends of short, stalklike axon branches. (05 Mar 2000) |
| grape fruit | The shaddock. Source: Websters Dictionary (01 Mar 1998) |
| grape mole | <gynaecology, oncology, tumour> A relatively rare mass or tumour that can form within the uterus at the beginning of a pregnancy. The cause of hydatidiform mole is unknown. Symptoms include vaginal bleeding, uterine growth, nausea and vomiting. Some hydatidiform moles may become malignant (cancerous) where they are referred to as a choriocarcinoma. Incidence: 1 in 1,500 births. (02 Jan 1998) |
| grape sugar | See: d-glucose. Invert sugar, a mixture of equal parts of d-glucose and d-fructose produced by hydrolysis of sucrose (inversion). (05 Mar 2000) |
| sea grape | 1. <botany> The gulf weed. See Gulf. A shrubby plant (Coccoloba uvifera) growing on the sandy shores of tropical America, somewhat resembling the grapevine. 2. <zoology> The clusters of gelatinous egg capsules of a squid (Loligo). Source: Websters Dictionary (01 Mar 1998) |
| isabella grape | <botany> A favorite sweet American grape of a purple colour. See Fox grape, under Fox. Source: Websters Dictionary (01 Mar 1998) |
| oregon grape | <botany> An evergreen species of barberry (Berberis Aquifolium), of Oregon and California; also, its roundish, blue-black berries. Source: Websters Dictionary (01 Mar 1998) |
| breakpoint cluster region | A region on chromosome 22 that is involved in the Philadelphia translocation. Acronym: BCR (15 Nov 1997) |
| gene cluster | A set of closely related genes that code for the same or similar proteins and which are usuallygrouped together on the same chromosome. (09 Oct 1997) |
| cluster analysis | A set of statistical methods used to group variables or observations into strongly inter-related subgroups. In epidemiology, it may be used to analyze a closely grouped series of events or cases of disease or other health-related phenomenon with well-defined distribution patterns in relation to time or place or both. (12 Dec 1998) |
| cluster headache | <symptom> A term used to describe a headache that is typified by constant, unilateral pain around the eye, with onset usually within 2-3 hours of falling asleep. Can be accompanied by a blocked nasal passage, runny nose, and-or tearing. One may also notice facial flushing, ptosis (dropping eyelid), facial swelling and constriction of the pupils. (27 Sep 1997) |
| cluster of differentiation | Cell membrane molecules that are used to classify leukocytes into subsets. CD molecules are classified by monoclonal antibodies. (05 Mar 2000) |
| cluster of differentiation 2 | A glycoprotein that is expressed on all peripheral T-cells, large granular lymphocytes and most, but not all, thymocytes. CD2 is involved in signal transduction and cell adhesion. (05 Mar 2000) |
| cluster of differentiation 3 | A complex of 5 polypeptides associated with the T-cell receptor and is involved in signal transduction. (05 Mar 2000) |