In the patellar tendon reflex, sensory axon terminals release the chemical transmitter __________ on to dendrites of the alpha motor neuron that innervates the quadriceps muscle.
In the patellar tendon reflex, sensory axon terminals release the chemical transmitter __________ on to dendrites of the alpha motor neuron that innervates the quadriceps muscle.
-amino butyric acid (GABA)
glutamate
norepinephrine