[muh-lan-uh-sohm, mel-uh-nuh-]

noun Cell Biology.

an organelle in melanocytes that synthesizes and stores melanin.

Origin of melanosome

First recorded in 1935–40; melano- + -some3 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

melanosome in Medicine


[mĕlə-nō-sōm′, mə-lăn′ə-]


Any of the usually oval pigment granules that are produced by melanocytes.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.