| NEST | Nuclear Emergency Search Team |
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| bird's-nest | 1. The nest in which a bird lays eggs and hatches her young. 2. The nest of a small swallow (Collocalia nidifica and several allied species), of China and the neighboring countries, which is mixed with soups. The nests are found in caverns and fissures of cliffs on rocky coasts, and are composed in part of algae. They are of the size of a goose egg, and in substance resemble isinglass. 3. <botany> An orchideous plant with matted roots, of the genus Neottia (N. Nidus-avis) Bird's-nest pudding, a pudding containing apples whose cores have been replaces by sugar. Yellow bird's nest, a plant, the Monotropa hypopitys. Source: Websters Dictionary (01 Mar 1998) |
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| bird's nest filter | A wire mesh vena cava filter. (05 Mar 2000) |
| bird's nest ivc filter | <radiology> Introduced 1982; Cook Inc., Bloomington, IN advantages, low profile: 14.5 Fr introducer sheath, low recurrent PE rates (1.1 - 2.7% by clinical history), low IVC thrombosis rates (2.9 - 5.0% by clinical history), placement in large diameter IVCs (not greater than40mm), free-form configuration does not require centreing in IVC disadvantages: stainless steel: ferromagnetic = magnetic susceptibility artifact, more operator dependent, difficult to place in short IVCs (need about 7cm for proper placement), prolapse of filter wires (? clinical significance) see also: indications (12 Dec 1998) |
| nest | Origin: AS. Nest; akin to D. & G. Nest, Sw. Naste, L. Nidus, for nisdus, Skr. Nia resting place, nest; cf. Lith. Lizdas, Arm. Neiz, Gael. & Ir. Nead. Prob. From the particle ni down, Skr. Ni + the root of E. Sit, and thus orig, a place to sit down in. See Nether, and Sit, and cf. Eyas, Nidification, Nye. 1. The bed or receptacle prepared by a fowl for holding her eggs and for hatching and rearing her young. "The birds of the air have nests." (Matt. Viii. 20) 2. Hence: the place in which the eggs of other animals, as insects, turtles, etc, are laid and hatched; a snug place in which young animals are reared. 3. A snug, comfortable, or cozy residence or situation; a retreat, or place of habitual resort; hence, those who occupy a nest, frequent a haunt, or are associated in the same pursuit; as, a nest of traitors; a nest of bugs. "A little cottage, like some poor man's nest." (Spenser) 4. <geology> An aggregated mass of any ore or mineral, in an isolated state, within a rock. 5. A collection of boxes, cases, or the like, of graduated size, each put within the one next larger. 6. <mechanics> A compact group of pulleys, gears, springs, etc, working together or collectively. Nest egg, an egg left in the nest to prevent the hen from forsaking it, and to induce her to lay more in the same place; hence, figuratively, something laid up as the beginning of a fund or collection. Source: Websters Dictionary (01 Mar 1998) |
| isogenous nest | A clone of cartilage cells all from one progenitor cell and occurring as a cluster. (05 Mar 2000) |
| epithelial nest | A focus of central keratinization within concentric layers of abnormal squamous cells; seen in squamous cell carcinoma. Synonym: epithelial nest, epithelial pearl, squamous pearl. (05 Mar 2000) |
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