A Mat of Cilia in the Nasal Cavity (IMAGE) Johns Hopkins Medicine Caption This is the surface of a healthy olfactory epithelium, the tissue in the nose involved in the sense of smell. Cilia project from olfactory sensory neurons and form a dense mat across the surface of the nasal cavity. Credit University of Michigan Health System Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.