Chapter 17 Review Terms and Questions For all terms provide both a definition an

Question

Chapter 17 Review Terms and Questions For all terms provide both a definition and an example The Special Senses Olfaction Olfactory receptors Where are olfactory receptors located? Of which cranial nerve are they a part? Which cranial nerve stimulated the production of mucus from olfactory glands? What is the function of this mucus? Draw an olfactory neuron (receptor and axon must be shown) and show the sequence of cellular events that lead to a nerve impulse propagating along the axon: Where is the primary olfactory area located on the cortex?

Explanation / Answer

OLFACTION : Olfaction is an activity in which the individual has a sense of smell.

OLFACTORY RECEPTORS: Olfactory receptors are found in the cell membranes of olfactory receptor neurons and their main function is to detect an odour for which they are also known as odorant receptor.

OLFACTORY RECEPTOR LOCATION : Olfactory receptor is located in the olfactory epithelium, it is a patch like tissue, located in the roof of the nasal cavity.

OLFACTORY CRANIAL NERVE : Olfactory receptors belong to the first cranial nerve.

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