TY - CHAP M1 - Book, Section TI - Chapter 12. Disorders of Smell and Taste A1 - Ropper, Allan H. A1 - Samuels, Martin A. A1 - Klein, Joshua P. PY - 2014 T2 - Adams and Victor's Principles of Neurology, 10e AB - The sensations of smell (olfaction) and taste (gustation) are suitably considered together. Physiologically, these modalities share the singular attribute of responding primarily to chemical stimuli; i.e., the end organs that mediate olfaction and gustation are chemoreceptors. Also, taste and smell are interdependent clinically, as the appreciation of the flavor of food and drink depends to a large extent on their aroma, and an abnormality of one of these senses is frequently misinterpreted as an abnormality of the other. In comparison to sight and hearing, taste and smell play a less critical role in the life of the individual. However, chemical stimuli in communication between humans are probably very important for some functions that have not been fully explored. Pheromones (pherein, "to carry"; hormon, "exciting"), that is, odorants exuded from the body as well as perfumes, play a part in sexual attraction; noxious body odors repel. In certain vertebrates the olfactory system is remarkably well developed, rivaling the sensitivity of the visual system, but even humans, in whom the sense of smell is relatively weak, have the capacity to discriminate between as many as 10,000 different odorants (Reed). SN - PB - The McGraw-Hill Companies CY - New York, NY Y2 - 2022/06/26 UR - accessmedicine.mhmedical.com/content.aspx?aid=57612511 ER -