| pigmented villonodular synovitis | <radiology> Monoarthritis, young adults, erosions on BOTH sides of joint (!), probably inflammatory, haemosiderin deposited in synovium, articular cartilage preserved (despite extensive marginal erosions; similar to gout), NO calcification Differential diagnosis: TB (associated atrophy of muscle and bone), rheumatoid arthritis (symmetrical), synovial sarcoma (with or without calcified; outside joint), synovial osteochondromatosis (12 Dec 1998) |
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| pigmentolysin | An antibody causing destruction of pigment. Origin: L. Pigmentum, pigment, + G. Lysis, a loosening (05 Mar 2000) |
| pigments | Any normal or abnormal colouring matter in plants, animals, or micro-organisms. (12 Dec 1998) |
| pigmentum nigrum | Melanin of the choroid coat of the eye. (05 Mar 2000) |
| pigmy | See Pygmy. Pigmy falcon. <zoology> Same as Falconet, 2 . Source: Websters Dictionary (01 Mar 1998) |