Histological changes produced in skin by equally erythemogenic doses of UV-A, UV-B, UV-C and UV-A with psoralens.

Autor:	Rosario, Reinaldo, Mark, Gene J., Parrish, John A., Mihm Jr., Martin C.
Předmět:	HISTOLOGY EPIDERMAL diseases SKIN diseases PSORALENS DNA probes DERMATOLOGY
Zdroj:	British Journal of Dermatology; Sep1979, Vol. 101 Issue 3, p299-308, 10p
Abstrakt:	The sequential light microscopic histological changes produced in human skin by a single exposure of UV-A, UV-B, UV-C and oral 8-methoxypsoralen plus UV-A (PUVA) causing approximately equal degrees of delayed erythema response, have been evaluated. UV-C and UV-B affect the epidermis to a greater degree than UV-A, while UV-A affects the dermis to a greater degree than UV-B and UV-C. PUVA has prominent effects on both epidermis and dermis, differing in degree from those changes induced by UV-A, UV-B, and UV-C and are longer lasting. The sequence of histological changes following UV exposure is completed more rapidly after exposure to shorter UV wavelengths. [ABSTRACT FROM AUTHOR]
Databáze:	Complementary Index
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