chemoreceptor cell

Any cell activated by a change in its chemical milieu, resulting in an action potential. Chemoreceptor cells may be: 1) transducer cells innervated by sensory nerve fibers a) gustatory chemoreceptors of the taste buds b) cells in the carotid body sensitive to changes in oxygen & CO₂ content of the blood 2) classical neurons a) olfactory chemoreceptors of the olfactory mucosa b) neurons in the brainstem sensitive to changes in the chemical milieu of the blood or CSF

References

Stedman's Medical Dictionary 27th ed, Williams & Wilkins, Baltimore, 1999