unmyelinated un·my·e·lin·at·ed (ŭn-mī'ə-lĭ-nā'tĭd)
adj.
Lacking a myelin sheath. Used of a nerve fiber.
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |