| infundibuliform hymen | A projecting, funnel-shaped hymen with a central opening with sloping edges. (05 Mar 2000) |
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| leukotrichia annularis | A rare condition in which the hair shows alternate pigmented and bright segments, the latter due to air cavities within the cortex. Synonym: leukotrichia annularis, pili annulati, thrix annulata, trichonosus versicolor. (05 Mar 2000) |
| lichen annularis | <dermatology> Benign granulomatous disease of unknown aetiology characterised by a ring of localised or disseminated papules or nodules on the skin and palisading histiocytes surrounding necrobiotic tissue resulting from altered collagen structures. (12 Dec 1998) |
| lichen planus annularis | A form in which the papules are grouped in ring figures. (05 Mar 2000) |
| lipoatrophia annularis | A rare condition of unknown cause characterised by localised panatrophy, a depressed area encircling the arm with sclerosis and atrophy of fat. (05 Mar 2000) |