Nerve, in anatomy, a glistening white cordlike bundle of fibers, surrounded by a sheath, that connects the nervous system with other parts of the body. The nerves conduct impulses toward or away from the central nervous mechanism. In humans 12 pairs are attached to the brain and 31 pairs to the spinal cord.
A nerve is an enclosed, cable-like bundle of nerve fibers (called axons). Nerves have historically been considered the basic units of the peripheral nervous system. A nerve provides a common pathway for the electrochemical nerve impulses called action potentials that are transmitted along each of the axons to peripheral organs or, in the case of sensory nerves, from the periphery back to the ...
A nerve is a bundle of nerve fibers from many nerve cells. The fibers are bundled together for strength and protection from injury. Your nerves are like signal wires Nerves send messages back and forth between your brain or spinal cord and your body The messages from the brain tell your body what to do Messages from the body let your brain know what is happening in your body When nerves to ...
Motor nerve root (anterior nerve root): The motor root emerges from the front of the spinal cord. Motor nerve fibers carry commands from the brain and spinal cord to other parts of the body, particularly to skeletal muscles.
Define nerve. nerve synonyms, nerve pronunciation, nerve translation, English dictionary definition of nerve. n. 1. Any of the cordlike bundles of fibers made up of neurons through which sensory stimuli and motor impulses pass between the brain or other parts of the...