黑色素
3.Any of a group of naturally occurring dark pigments, especially the pigment found in skin, hair, fur, and feathers.
4.Dark coloration of the skin, hair, fur, or feathers because of a high concentration of melanin.
5.a condition characterized by abnormal deposits of melanin (especially in the skin).
6.Chief complaints included unilateral nasal obstruction, blood tinged rhinorrhea and purulent rhinorrhea.
10.A pigment cell that contains melanin, especially as found in the skin of amphibians and reptiles.
