<prompt> Receptor w hich itself is a dendrite of a nerveVisualGustatoryOlfactoryHearing  <response>: C Olfactory Olfactory Mucous Membrane contains supporting cells progenitor cells for the olfactory receptors. Interspersed between these cells are 10-20 million receptor cells. Each olfactory receptor is a neuron the olfactory mucous membrane is said to be the place in the body where the nervous system is closest to the external world. 