| butterfly | Origin: Perh. From the colour of a yellow species. AS. Buter-flege, buttor-fleoge; cf. G. Butterfliege, D. Botervlieg. See Butter, and Fly. <zoology> A general name for the numerous species of diurnal Lepidoptera. See: Illust. Under Aphrodite] Asclepias butterfly. See Asclepias. Butterfly fish, a kind of double clack valve, consisting of two semicircular clappers or wings hinged to a cross rib in the pump bucket. When open it somewhat resembles a butterfly in shape. Source: Websters Dictionary (01 Mar 1998) |
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| butterfly eruption | Origin: Perh. From the colour of a yellow species. AS. Buter-flege, buttor-fleoge; cf. G. Butterfliege, D. Botervlieg. See Butter, and Fly. <zoology> A general name for the numerous species of diurnal Lepidoptera. See: Illust. Under Aphrodite] Asclepias butterfly. See Asclepias. Butterfly fish, a kind of double clack valve, consisting of two semicircular clappers or wings hinged to a cross rib in the pump bucket. When open it somewhat resembles a butterfly in shape. Source: Websters Dictionary (01 Mar 1998) |
| butterfly fragment | A broad triangular fragment that is commonly present in comminuted fractures of the diaphysis. (05 Mar 2000) |
| butterfly lung | Haemorrhagic markings appearing on an animal's lung after inoculation with Leptospira interrogans (L. Icterohaemorrhagiae). (05 Mar 2000) |
| butterfly patch | Origin: Perh. From the colour of a yellow species. AS. Buter-flege, buttor-fleoge; cf. G. Butterfliege, D. Botervlieg. See Butter, and Fly. <zoology> A general name for the numerous species of diurnal Lepidoptera. See: Illust. Under Aphrodite] Asclepias butterfly. See Asclepias. Butterfly fish, a kind of double clack valve, consisting of two semicircular clappers or wings hinged to a cross rib in the pump bucket. When open it somewhat resembles a butterfly in shape. Source: Websters Dictionary (01 Mar 1998) |
| butterfly pattern | Bilateral, symmetric, pulmonary alveolar opacities sparing the periphery, on chest radiographs; usually caused by pulmonary oedema. (05 Mar 2000) |
| butterfly rash | Origin: Perh. From the colour of a yellow species. AS. Buter-flege, buttor-fleoge; cf. G. Butterfliege, D. Botervlieg. See Butter, and Fly. <zoology> A general name for the numerous species of diurnal Lepidoptera. See: Illust. Under Aphrodite] Asclepias butterfly. See Asclepias. Butterfly fish, a kind of double clack valve, consisting of two semicircular clappers or wings hinged to a cross rib in the pump bucket. When open it somewhat resembles a butterfly in shape. Source: Websters Dictionary (01 Mar 1998) |
| butterfly vertebra | A hemivertebra or sagittally cleft vertebra that has a butterfly configuration on frontal radiographs; congenital in origin. (05 Mar 2000) |
| sea butterfly | <zoology> A pteropod. Source: Websters Dictionary (01 Mar 1998) |
| admixture lesion | <radiology> Cyanosis and increased pulmonary blood flow, transposition (TGV), truncus arteriosis, TAPVR, tricuspid atresia (sort of intracardiac TAPVR) (12 Dec 1998) |
| andersson lesion | <radiology> Discovertebral fracture, seen in ankylosing spondylitis (12 Dec 1998) |
| Baehr-Lohlein lesion | Focal embolic glomerulonephritis occurring in bacterial endocarditis. Synonym: Baehr-Lohlein lesion. (05 Mar 2000) |
| benign lymphoepithelial lesion | Benign tumour-like masses of lymphoid tissue in the parotid gland, containing scattered small, mainly solid islands of epithelial cells. Synonym: Godwin tumour. (05 Mar 2000) |
| Bracht-Wachter lesion | A focal collection of lymphocytes and mononuclear cells within the myocardium in bacterial endocarditis. (05 Mar 2000) |
| bright t1 lesion | <radiology> (short T1), fat (lipoma, dermoid), sub-acute haemorrhage (metHb), paramagnetic agent (Gd, ? posterior pituitary), proteinaceous fluid (colloid cyst) most abnormalities cause long T1 and T2 (dark/bright) see also: dark T2 lesion (12 Dec 1998) |