| 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) |
| Bird's sign | <clinical sign> The presence of a zone of dullness on percussion with absence of respiratory sign's in hydatid cyst of the lung. (05 Mar 2000) |
| bird's-tongue | <botany> The knotgrass (Polygonum aviculare). Source: Websters Dictionary (01 Mar 1998) |
| bird unit | A unit of prolactin activity: the minimal quantity of the hormone which will cause a certain increase in weight of the crop gland of pigeons. (05 Mar 2000) |
| bower bird | <zoology> An Australian bird (Ptilonorhynchus violaceus or holosericeus), allied to the starling, which constructs singular bowers or playhouses of twigs and decorates them with brightcoloured objects; the satin bird. The name is also applied to other related birds of the same region, having similar habits; as, the spotted bower bird (Chalmydodera maculata), and the regent bird (Sericulus melinus). Source: Websters Dictionary (01 Mar 1998) |
| galley-bird | <zoology> The European green woodpecker; also, the spotted woodpecker. Origin: Etymol. Uncertain. Source: Websters Dictionary (01 Mar 1998) |
| mallee bird | <zoology> [From native name. The leipoa. See Leipoa. Source: Websters Dictionary (01 Mar 1998) |
| peabody bird | <ornithology> An American sparrow (Zonotrichia albicollis) having a conspicuous white throat. The name is imitative of its note. Synonym: White-throated sparrow. (26 Mar 1998) |
| mino bird | <zoology> An Asiatic bird (Gracula musica), allied to the starlings. It is black, with a white spot on the wings, and a pair of flat yellow wattles on the head. It is often tamed and taught to pronounce words. Origin: Hind. Maina. Source: Websters Dictionary (01 Mar 1998) |
| water bird | <zoology> Any aquatic bird; a water fowl. Source: Websters Dictionary (01 Mar 1998) |
| weet-bird | <zoology> The wry neck; so called from its cry. Source: Websters Dictionary (01 Mar 1998) |
| wheatsel bird | <zoology> The male of the chaffinch. Source: Websters Dictionary (01 Mar 1998) |
| widow bird | <zoology> See Whidan bird. Source: Websters Dictionary (01 Mar 1998) |
| sea bird | <zoology> Any swimming bird frequenting the sea; a sea fowl. Source: Websters Dictionary (01 Mar 1998) |