FMA definition : Cell appendage of a Schwann cell or an oligodendroctye which wraps around a zone of
an axon; it is a shared part between the axon and the glial cell (Schwann cell or
oligodenrocyte).;
Cell appendage of a Schwann cell or an oligodendroctye which wraps around a zone of
an axon; it is a shared part between the axon and the glial cell (Schwann cell or
oligodenrocyte).