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What is Cranial nerve that is not involved in olfaction:- and explain in detail?
Olfaction - 1. Ohonasal (odor in inspired air) 2. Retro nasal (odor in expired air) Food in mouth - swallowing and deglutition 1. Chorda tympani (branch of facial nerve): taste from anterior 2/3rd tongue 2. Lingual nerve: pain, tactile and temperature from anterior tongue 3. Greater superficial petrosal nerve: taste from palate 4. 9th and 10th CN: taste from posterior tongue and throat CN 5,7,9 & 10 help to regulate olfaction. Add smell to taste. Hypoglossal nerve that is pure motor nerve supply muscle of tongue.