| Almeida's disease | <microbiology> A chronic fungal infection caused by Paracoccidioides brasiliensis. It is characterised by primary pulmonary lesions with dissemination to many visceral organs. Common findings include ulcerative granuloma lesions to the buccal mucosa (inner lining of the cheek) and nasal mucosa that extend to the surrounding skin. Generalised lymphangitis is also typical. More commonly seen in South America and the tropics. (15 Nov 1997) |
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| Almeida, Floriano Paulo de | <person> Brazilian physician, *1898. See: Almeida's disease, Lutz-Splendore-Almeida disease. (05 Mar 2000) |
| Almen's test for blood | Glacial acetic acid, gum guaiac solution, and hydrogen peroxide are added to an aqueous suspension of the suspected stain; if occult blood or blood pigment is present, a blue colour develops. Synonym: guaiac test, Schonbein's test, van Deen's test. (05 Mar 2000) |
| Almen, August Teodor | <person> Swedish physiologist, 1833-1903. See: Almen's test for blood. (05 Mar 2000) |
| almendron | The lofty Brazil-nut tree. Origin: Sp, fr. Almendra almond. Source: Websters Dictionary (01 Mar 1998) |