ˈmed ə lˌād.ə̇d, ˈmejəˌlā-, mə̇ˈdəˌlā- adjective
Etymology: Late Latin medullatus having a marrow (from Latin medulla marrow + -atus -ate) + English -ed — more at medulla
1. of a nerve fiber : having a medullary sheath
2. of other fibers : having a medulla
kempy wool contains many coarse medullated fibers