inhibitory fibers

in·hib·i·tor·y fi·bers

nerve fibers that inhibit the activity of the nerve cells with which they have synaptic connections, or of the effector tissue (smooth muscle, heart muscle, or glands) in which they terminate.

in·hib·i·tor·y fi·bers

(in-hib'i-tōr-ē fī'bĕrz) Nerve fibers that inhibit the activity of the nerve cells with which they have synaptic connections, or of the effector tissue (smooth muscle, heart muscle, glands) in which they terminate.