| bird face | bird face, abnormal shortness or recession of the mandible (27 Sep 1997) |
|---|---|
| bird-fancier's lung | <chest medicine> A respiratory disorder due to an acquired hypersensitivity to the dust of bird droppings. It is often seen in pigeon breeder's, and is a form of extrinsic allergic alveolitis. The antigen protein is from bird serum, droppings, or feathers (12 Dec 1998) |
| bird-handler's disease | <chest medicine> Extrinsic allergic alveolitis caused by an allergic reaction to components of the bird or bird droppings. (19 Jan 1998) |
| bird of paradise | <ornithology> The name of several very beautiful birds of the genus Paradisea and allied genera, inhabiting new Guinea and the adjacent islands. The males have brilliant colours, elegant plumes, and often remarkable tail feathers. The Great emerald (Paradisea apoda) and the Lesser emerald (P. Minor) furnish many of the plumes used as ornaments by ladies; the Red is P. Rubra or sanguinea; the Golden is Parotia aurea or sexsetacea; the King is Cincinnurus regius. The name is also applied to the longer-billed birds of another related group (Epimachinae) from the same region. The Twelve-wired (Seleucides alba) is one of these. See Paradise bird, and Note under Apod. Source: Websters Dictionary (01 Mar 1998) |
| bird pepper | <botany> A species of capsicum (Capsicum baccatum), whose small, conical, coral-red fruit is among the most piquant of all red peppers. (16 Dec 1998) |
| bird's-eye | <botany> A plant with a small bright flower, as the Adonis or pheasant's eye, the mealy primrose (Primula farinosa), and species of Veronica, Geranium, etc. Source: Websters Dictionary (01 Mar 1998) |
| bird's-foot | <botany> A papilionaceous plant, the Ornithopus, having a curved, cylindrical pod tipped with a short, clawlike point. Bird's-foot trefoil. <botany> A genus of plants (Lotus) with clawlike pods. L. Corniculatas, with yellow flowers, is very common in Great Britain. The related plant, Trigonella ornithopodioides, is also European. Source: Websters Dictionary (01 Mar 1998) |
| bird shot retinochoroiditis | Bilateral diffuse retinal vasculitis with depigmentation of multiple areas of the choroid and retinal pigment epithelium posterior to the ocular equator, often with an associated papillitis or optic atrophy; vitiligo occurs occasionally. (05 Mar 2000) |
| 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) |
| 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) |