| nidamental | <zoology> Of, pertaining to, or baring, eggs or egg capsules; as, the nidament capsules of certain gastropods; nidamental glands. Origin: L. Nidamentum materials for a nest, fr. Nidus nest. See Nest. Source: Websters Dictionary (01 Mar 1998) |
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| nidation | Implantation of the conceptus in the endometrium. Origin: L. Nidus = nest (18 Nov 1997) |
| NIDDM | <abbreviation> Non-insulin-dependent diabetes mellitus. (05 Mar 2000) |
| nidificate | To make a nest. "Where are the fishes which nidificated in trees?" (Lowell) Origin: L. Nidificare, nidificatum; nidus nest + -ficare (in comp) to make. See -fy, and cf. Nest. Source: Websters Dictionary (01 Mar 1998) |
| nidogen | <protein> A dumbbell shaped 150 kD sulphated glycoprotein that is found in all basement membranes. It binds to laminin, forming a very stable 1:1 complex (KD = 10nM) and almost all laminin preparations contain entactin. The N terminal globular domain can self aggregate, whilst the C terminal globular domain binds to the short arm of laminin and to collagen IV. The connecting rod has 5-6 EGF type cysteine rich repeats, one of which has an RGD sequence for cellular interaction. (18 Nov 1997) |
| nidulant | 1. Nestling, as a bird in itss nest. 2. <botany> Lying loose in pulp or cotton within a berry or pericarp, as in a nest. Origin: L. Nidulans, p.pr., cf. F. Nidulant. Source: Websters Dictionary (01 Mar 1998) |
| nidulite | <paleontology> A Silurian fossil, formerly supposed to consist of eggs. Origin: L. Nidulus a little nest. Source: Websters Dictionary (01 Mar 1998) |
| nidus | <zoology> A nest: a repository for the eggs of birds, insects, etc.; a breeding place; especially, the place or substance where parasites or the germs of a disease effect lodgment or are developed. (06 Mar 1998) |
| nidus avis | A deep depression on each side of the inferior surface of the cerebellum, between the uvula and the biventral lobe, in which the tonsil rests. Synonym: nidus hirundinis. Origin: L. Bird's nest (05 Mar 2000) |
| nidus hirundinis | A deep depression on each side of the inferior surface of the cerebellum, between the uvula and the biventral lobe, in which the tonsil rests. Synonym: nidus hirundinis. Origin: L. Bird's nest (05 Mar 2000) |
| niece | 1. A relative, in general; especially, a descendant, whether male or female; a granddaughter or a grandson. 2. A daughter of one's brother or sister, or of one's brother-in-law or sister-in-law. Origin: OE. Nece, F. Niece, LL. Neptia, for L. Neptis a granddaughter, niece, akin to nepos. See Nephew. Source: Websters Dictionary (01 Mar 1998) |
| Nieden's syndrome | <syndrome> Multiple telangiectasis of the face, forearms, and hands, with cataract and aortic stenosis. (05 Mar 2000) |
| Niemann disease | <disease> A family of severe lysosomal storage diseases resulting in an accumulation of sphingomyelin and other phospholipids in the reticuloendothelial system. The best studied forms are due to deficiency of sphingomyelinase and it is more common in Ashkenazi Jews than other groups. Clinical signs include foam cells in the blood and marrow, hepatosplenomegaly and neurologic degeneration. Diagnosis is confirmed by enzyme assay on leukocytes or fibroblasts and specific mutations in the gene are now recognised. (29 Dec 1997) |
| Niemann's splenomegaly | Enlargement of spleen occurring in Niemann-Pick disease. (05 Mar 2000) |
| Niemann, Albert | <person> German physician, 1880-1921. See: Niemann-Pick cell, Niemann-Pick disease, Niemann disease, Niemann's splenomegaly. (05 Mar 2000) |