Category: M

Dermatitis in which an excess of melanin is deposited in the involved area.  

A rare pigmented benign tumor of the optic disk.  

A tumor containing melanin.  

A cell originating from the neural crest that differentiates into a melanocyte.  

Melanotic neuroectodermal tumor.  

Containing melanin or some other black pigment.  

The Australian tea tree. An evergreen from which an essential oil is made for cosmetics, fragrances, and some alternative and conventional medicines.  

A radiopaque compound used in x-ray studies.  

A class of oral hypoglycemic agents that lower blood glucose by stimulating the pancreas to secrete insulin. As serum glucose levels drop, the effects of the medication weaken, lessening the risk of hypoglycemia relative to other insulin secretagogues.  

Having an orbital aperture with an index exceeding 89, said of a skull.