Sensory Receptor Atlas

Population averages for a young adult; counts vary with age, sex, and anatomy.

Right column: each receptor's single largest deployment share.

RodsL-cones (long-wave)M-cones (medium-wave)S-cones (short-wave)ipRGCs (melanopsin)Olfactory receptor neuronsTaste receptor cells (buds)Inner hair cellsOuter hair cellsVestibular hair cells (I & II)Meissner corpuscles (RA1)Merkel complexes (SA1)Pacinian corpuscles (RA2)Ruffini endings (SA2)Hair-follicle receptorsFree nerve endings (touch)Thermoreceptors (cold & warm)NociceptorsMuscle spindlesGolgi tendon organsJoint-capsule receptorsBaroreceptorsPeripheral chemoreceptorsCentral chemoreceptorsOsmoreceptors