Ma'anar ƙamus na kalmar "chemoreceptor" shine mai karɓa na azanci wanda ke amsa abubuwan motsa jiki a cikin mahalli, kamar masu karɓa da dandano da wari a cikin baki da hanci, ko masu karɓa a cikin jini da kwakwalwa da ke gano canje-canje a cikin jiki. iskar oxygen ko carbon dioxide. Wadannan masu karɓa suna taka muhimmiyar rawa wajen daidaita tsarin tsarin jiki kamar numfashi, narkewa, da metabolism.