| melanosis | A disorder caused by a disturbance in melanin pigmentation, melanism. (18 Nov 1997) |
|---|---|
| melanosis circumscripta precancerosa | An obsolete term for lentigo maligna. (05 Mar 2000) |
| melanosis coli | Melanosis of the large intestinal mucosa due to accumulation of pigment of uncertain composition within macrophages in the lamina propria. (05 Mar 2000) |
| melanosis corii degenerativa | A congenital abnormality in which pigment is deposited in whorls and streaks; vesicles occasionally occur, and it may be associated with cardiac or neurologic disorders. Compare: incontinentia pigmenti, incontinentia pigmenti achromians. (05 Mar 2000) |
| Riehl's melanosis | A brown pigmentary condition of the exposed portions of the skin of the neck and face with melanin pigment in dermal macrophages, thought to result from photodermatitis due to materials, such as cosmetic ingredients, or oils encountered in various occupations. (05 Mar 2000) |
| precancerous melanosis of Dubreuilh | An obsolete term for lentigo maligna. (05 Mar 2000) |
| neurocutaneous melanosis | Cutaneous giant pigmented nevi associated with melanosis of the leptomeninges; malignant melanomas may develop in the skin or meninges. (05 Mar 2000) |
| oculodermal melanosis | Pigmentation of the conjunctiva and skin around the eye, usually unilateral; seen especially in women of Oriental races. Synonym: Ota's nevus. (05 Mar 2000) |
| cerebral ischemia, transient | Nonconvulsive, reversible, focal neurologic deficits lasting minutes up to about 24 hours, resulting mainly from arteriosclerosis, emboli, or hypertensive episodes. (12 Dec 1998) |
| transient | 1. Short-lived; passing; not permanent; said of a disease or an attack. 2. A short-lived cardiac sound having little duration (less than 0.12 second) as distinct from a murmur; e.g., first, second, third, and fourth heart sounds, clicks, and opening snaps. Origin: L. Transeo, pres. P. Transiens, to cross over (05 Mar 2000) |
| transient acantholytic dermatosis | A pruritic papular eruption, with histologic suprabasal acantholysis, of the chest, with scattered lesions of the back and lateral aspects of the extremities, lasting from a few weeks to several months; seen predominantly in males over 40. Synonym: Grover's disease. (05 Mar 2000) |
| transient agammaglobulinaemia | A type of primary immunodeficiency that occurs in infants of both sexes, usually before the sixth month of life, probably resulting from immaturity of lymphoid tissue. Synonym: transient agammaglobulinaemia. (05 Mar 2000) |
| transient albuminuria | Albuminuria of a temporary or short-lived nature. (05 Mar 2000) |
| transient global amnesia | A memory disorder seen in middle aged and elderly persons characterised by an episode of amnesia and bewilderment which persists for several hours; during the episode the patient has a memory defect for present and recent past events, but is fully alert, oriented, capable of high-level intellectual activity, and has a normal neurological examination. Typically, these amnesic episodes occur spontaneously, and most patients experience only one; of uncertain aetiology-probably ischemic, but not due to atherosclerosis. (05 Mar 2000) |
| transient hypogammaglobulinaemia of infancy | A type of primary immunodeficiency that occurs in infants of both sexes, usually before the sixth month of life, probably resulting from immaturity of lymphoid tissue. Synonym: transient agammaglobulinaemia. (05 Mar 2000) |