depressor fibers

de·pres·sor fi·bers

sensory nerve fibers having pressure-sensitive nerve endings in the wall of certain arteries capable of activating blood pressure-lowering brainstem mechanisms when stimulated by an increase in intraarterial pressure.

de·pres·sor fi·bers

(dĕ-pres'ŏr fī'bĕrz)
Sensory nerve fibers having pressure-sensitive endings; situated in the walls of certain arteries; capable of activating brainstem mechanisms to lower blood pressure when stimulated by an increase in intraarterial pressure.