an organ having nerve endings (in the skin or viscera or eye or ear or nose or mouth) that respond to stimulation

of or relating to chemoreceptors

an oval sensory end organ on the surface of the tongue

a chemoreceptor located near the bifurcations of the carotid arteries; monitors oxygen content of the blood and helps control respiration

the organ of smell and entrance to the respiratory tract; the prominent part of the face of man or other mammals