BIOL-2220 Lecture Notes - Lecture 4: Basilar Membrane, Endolymph, Anterior Chamber Of Eyeball
23 Jan 2018
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Document Summary
Describe the structure, location, distribution and activation of the receptors for taste. Gustation receptors (taste) are chemoreceptors that respond to chemicals in aqueous sol: excited by food chemicals dissolved in saliva. Taste buds are found in mucosal papillae of the tongue (sensory receptors: also on soft palate, cheeks, pharynx and epiglottis, fungiform, foliate (sides), and circumvallate (form v in throat) papillae. Functions of taste: trigger digestive reflexes: parasympathetic response (prod of gastric juice, gagging: preventive, if it tastes wrong the body resists eating it, vomiting: preventive, extreme of gagging, taste is 80% smell, also contain thermoreceptors, mechanoreceptors, and nociceptors. Describe the structure, location and activation of the receptors for olfactory receptors. Olfactory cilia: increase sa of the location of receptors and are covered in mucous. Interprets and identifies smell: hypothalamus to amygdala and limbic system, elicits emotional response to odor.
