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.
A free enterprise system is when individuals and businesses are  free to make their own economic choices; when more than one company  can sell the same product/service and sâ¦till survive in the market.  This gives the consumer choice and option. They can shop around for  the best price on an item/service they want.