afferent carrying toward a given point
central nervous system the part of the nervous system in vertebrates that consists of the brain and spinal cord
efferent carrying away from a given point
interneurons connecting neurons
patellar tendon reflex knee-jerk reflex
peripheral nervous system nerves and nervous tissue outside the central nervous system
receptor specialized cell or ending on a sensory neuron that a stimulus can excite
synapse tiny gap between the axon of one neuron and the cell body of another neuron across which messages are transmitted chemically or electrically