medullated nerve myelinated nerve. mixed nerve (nerve of mixed fibers) a nerve composed of both sensory (afferent) and motor (efferent) fibers. motor nerve a peripheral efferent nerve that stimulates muscle contraction. myelinated nerve one whose axons are encased in a myelin sheath; called also medullated nerve. peripheral nerve any nerve outside the central nervous system.
enterprise. 1. Something undertaken, especially something requiring extensive planning and work: project, undertaking, venture. 2.
Definition of enterprise for Students. 1 : a project or undertaking that is difficult, complicated, or risky. 2 : willingness to engage in daring or difficult action Look at the opportunities here for a man of knowledge, brains, pluck, and enterprise â¦ â Mark Twain, A Connecticut Yankee.