CLAS 230 Lecture Notes - Lecture 9: Carotene, Melanin, Pigment
7 Nov 2016
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Includes the skin and things attached to the skin, including hair and nails. Any organic coloring matter in the body. 2 major pigments are: carotene (yellow) Partly responsible for skin color: melanin (greek melas, meaning black) Pigment responsible for individual and ethnic differences in skin color. Natural or abnormal baldness, complete, localized, or generalized (greek alopekia= fox mange) A large blister filled with fluid (latin bulla= bubble) A circumscribed inflammation of the skin and deeper tissues which terminates in dead tissue and is accompanied by marked constitutional symptoms (latin carbunculus= small glowing ember) Desquamation shedding of the epidermis (latin desquamare= to shed scales) Synonymous with chronic dermatitis (greek ekzein= to boil out) A form of macule appearing in large irregularly formed hemorrhagic areas of the skin; color is blue black changing to greenish brown or yellow (greek chumos= juice) Horny embryonic structure from which the nail develops. A fom of macule showing diffused redness over the skin (greek erythema= redness)
