noun
1. : the central portion of a nerve fiber visibly divided into central and peripheral zones
2. : the essential protoplasmic core of a medullated nerve fiber : axon
noun
1. : the central portion of a nerve fiber visibly divided into central and peripheral zones
2. : the essential protoplasmic core of a medullated nerve fiber : axon
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012