The crossing over of nerve fibers of a pathway from one side of the brain to the other.
a simple, automatic, inborn response to a sensory stimulus, such as the knee-jerk response
a nerves that conduct impulses from body parts and carry sensory information to the brain; also called afferent nerves (ad = toward; ferre = carry)
a nerves that conduct motor impulses from the brain to muscles and glands; also called efferent nerves (e=out; ferre=carry)
a nerves that contain both sensory and motor fibers and have the ability to send and receive messages
a single spinal nerves that innervate (stimulate) a particular area of the skin
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