giant melanosome

gi·ant mel·a·no·some

a large spherical melanosome (1 to 6 μ in diameter) formed in the cytoplasm of melanocytes in café-au-lait spots and other melanocytic disorders.
Synonym(s): macromelanosome
References in periodicals archive ?
4) revealed irregularly placed giant melanosomes, consistent with CHS.
6] Giant melanosomes can be seen on skin melanocytes.