'''Melanosis''' occurs in several organs, including the anteroventral meninges of the olfactory bulbs, optic nerves, parathyroid glands, heart valves, and spleens of melanotic mouse strains, such as B6 mice. | '''Melanosis''' occurs in several organs, including the anteroventral meninges of the olfactory bulbs, optic nerves, parathyroid glands, heart valves, and spleens of melanotic mouse strains, such as B6 mice. |