| bleb | <cell biology> Protrusion from the surface of a cell, usually approximately hemispherical, may be filled with fluid or supported by a meshwork of microfilaments. (18 Nov 1997) |
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| bleb vs. Bulla | <radiology> Bleb collection of air within layers of viscera pleura, bulla air-filled, thin-walled space within lung (destruction of alveoli), cyst congenital: bronchial or bronchogenic cyst (12 Dec 1998) |
| blue rubber-bleb nevi | A syndrome characterised by erectile, easily compressible, thin-walled haemangiomatous nodules, widely distributed in the skin and in the alimentary canal, and sometimes in other tissues; lesions in the gut may perforate or cause haemorrhage, and the patient may be anaemic from continual bleeding. (05 Mar 2000) |
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| blue rubber bleb nevus syndrome | <radiology> Bean syndrome, sporadic (some autosomal dominant), rubbery, raised blue-black skin nevi (cavernous haemangiomata, 0.1 - 5 cm), GI mucosal haemangiomata, bowel: polypoid filling defects of varying sizes, visceral haemangiomata (by angio) associated with: leukaemia, medulloblastoma, hypernephroma, Mafucci syndrome More info: blue rubber bleb nevus syndrome (12 Dec 1998) |