Judged: two independent readers; copy check clear.
chemoreceptor
chemoreceptor A chemoreceptor is a specialized cell that detects chemical substances and sends that information to the nervous system.
A chemoreceptor is a specialized cell that detects chemical substances and sends that information to the nervous system. It may respond to chemicals from outside the body, such as those involved in taste and smell, or to internal chemical levels such as oxygen and carbon dioxide in the blood.