| clay pigeon poisoning | A highly fatal disease of swine, usually caused by the ingestion of fragments of the clay pigeons used as targets by shooting clubs; some cases have been caused by consumption of other bituminous substances, such as road tar and tar paper. Synonym: clay pigeon poisoning. (05 Mar 2000) |
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| pigeon | 1. <zoology> Any bird of the order Columbae, of which numerous species occur in nearly all parts of the world. The common domestic pigeon, or dove, was derived from the Old World rock pigeon (Columba livia). It has given rise to numerous very remarkable varieties, such as the carrier, fantail, nun, pouter, tumbler, etc. The common wild pigeons of the Eastern United States are the passenger pigeon, and the Carolina dove. See Passenger, and Dove. See, also, Fruit pigeon, Ground pigeon, Queen pigeon, Stock pigeon, under Fruit, Ground, etc. 2. An unsuspected victim of sharpers; a gull. <zoology> Blue pigeon, any one of the large Asiatic fruit pigeons of the genus Carpophada. <botany> Pigeon berry The upland plover. The golden plover. Origin: F, fr. L. Pipio a young pipping or chirping bird, fr. Pipire to peep, chirp. Cf. Peep to chirp. Source: Websters Dictionary (01 Mar 1998) |
| pigeon breast | Prominence of the breast bone (sternum). Medically, pigeon breast is called pectus carinatum. (12 Dec 1998) |
| pigeon chest | Pigeon-breasted. (12 Dec 1998) |
| pigeon-hearted | Timid; easily frightened; chicken-hearted. Source: Websters Dictionary (01 Mar 1998) |
| pigeon-livered | Timid; easily frightened; chicken-hearted. Source: Websters Dictionary (01 Mar 1998) |
| pigeon's milk | A secretion formed by glands in the mucosa of the pigeon's crop with which the young are fed; it is increased under the influence of prolactin. Synonym: crop milk. (05 Mar 2000) |
| air-conditioner lung | An extrinsic allergic alveolitis caused by forced air contaminated by thermophilic actinomycetes and other organisms. (05 Mar 2000) |
| airless lung | <radiology> Tumour, foreign body, mucous plug (12 Dec 1998) |
| anterior border of lung | The thin anteromedial or sternal edge of the lung which overlaps the pericardial sac anteriorly and forms the boundary between the mediastinal and costal surfaces. Synonym: margo anterior pulmonis. (05 Mar 2000) |
| apex of lung | The rounded, upper extremity of each lung that extends into the cupula of the pleura. Synonym: apex pulmonis. (05 Mar 2000) |
| apical interstitial lung disease | <radiology> A radiological diagnosis where fibrosis is seen in the apices (upper sections) of the lungs. Likely causes include: cystic fibrosis, ankylosing spondylitis, sarcoidosis, silicosis, eosinophlic granuloma, TB and fungus, particularly aspergillus infection. (25 Jun 1999) |
| asbestos lung disease | <radiology> Pleural plaques, earliest finding, may be only evidence, parietal pleura, 15-20 yrs after exposure, calcified after ca. 30 yrs, asbestosis, interstitial lung disease, perihilar regions to lung bases, shaggy heart, no cavitation or progressive massive fibrosis as in silicosis, crocidolite (blue) form most carcinogenic, associated with: malignant pleural mesothelioma, peritoneal mesothelioma, GI-tract malignancy (12 Dec 1998) |
| azygos lobe of lung | A small accessory lobe sometimes found on the apex of the right lung; separated from the rest of the upper lobe by a deep groove lodging the azygos vein. Synonym: lobus azygos. (05 Mar 2000) |
| base of lung | The lower concave part of the lung that rests upon the convexity of the diaphragm. Synonym: basis pulmonis. (05 Mar 2000) |