WebA genetic condition characterized by a deficiency or absence of pigment in the skin, hair, and irises due to a missing enzyme necessary for the production of melanin. alopecia The partial or complete loss of hair, most commonly on the scalp; also known as baldness. WebDefine melanin. melanin synonyms, melanin pronunciation, melanin translation, English dictionary definition of melanin. n. Any of a group of naturally occurring dark pigments, …

Melanin: Definition, function, benefits, and more - Medical …

WebJan 12, 2024 · Summary Hyperpigmentation causes patches of skin to become darker than the surrounding skin. It occurs when the skin produces excess melanin, the pigment that gives skin its color. It can... WebMelanin definition, any of a class of insoluble pigments, found in all forms of animal life, that account for the dark color of skin, hair, fur, scales, feathers, etc. See more. dj service ts

Skin Tags vs. Moles: Removal of Benign Skin Imperfections - MedicineNet

Webmelanin. noun. mel· a· nin ˈmel-ə-nən. : any of various black, brown, reddish-brown, reddish-yellow, or yellow pigments of living organisms that in animals are typically produced in … WebMelasma (also known as chloasma) is marked by tan or brown patches that may appear on the forehead, cheeks, upper lip, nose, and chin. Although this condition is often called the "pregnancy mask," men can also develop it. It may also occur in women who are taking birth control pills or postmenopausal estrogen. WebApr 13, 2024 · The medical term for mole is melanocytic nevus. Moles may be tan, brown, black, reddish brown, red, purple, or skin-colored and perfectly flat or raised. Most moles are smaller than a pencil eraser (about 1/2 inch). Certain moles become darker and more apparent with sun exposure and pregnancy. cs怎么玩创意工坊