A specialized organ or structure, such as the eye, ear, tongue, nose, or skin, where sensory neurons are concentrated and that functions as a receptor.
Also called sensor.
(Life Sciences & Allied Applications / Zoology) a structure in animals that is specialized for receiving external or internal stimuli and transmitting them in the form of nervous impulses to the brain.
a specialized bodily structure that receives or is sensitive to internal or external stimuli; receptor.
In animals, an organ or part that is sensitive to a stimulus, as of sound, touch, or light. Sense organs include the eye, ear, and nose, as well as the taste buds on the tongue.