n. [ Myelin + -oid + -in. ] (Physiol. Chem.) A substance, present in the protoplasm of the retinal epithelium cells, and resembling, if not identical with, the substance (myelin) forming the medullary sheaths of nerve fibers. [ 1913 Webster ]
a. [ Gr.
a. [ Gr.
n. [ Myelin + -oid + -in. ] (Physiol. Chem.) A substance, present in the protoplasm of the retinal epithelium cells, and resembling, if not identical with, the substance (myelin) forming the medullary sheaths of nerve fibers. [ 1913 Webster ]