... accommodation is a function of the lens, not the cornea 245 Vander et al.: Human Physiology: The Mechanism of Body Function, Eighth Edition 246 II Biological Control Systems The Sensory Systems © The McGraw−Hill ... to the surface of the epithelium Several long nonmotile cilia extend out from the tip of the dendrite and lie along the surface of the olfactory epithelium (Figure 9 44 b) where they are bathed ... cells, the first cells in the pathways that give rise to the sense of smell, lie in a small patch of membrane, the olfactory epithelium, in the upper part of the nasal cavity (Figure 9 44 a) These...