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What is Sensory supply of tongue is by all except? and explain in detail?
Ans. C. 8th Cranial nerveInnervation of taste and sensation is different for the anterior and posterior part of the tongue because they are derived from different embryological structures (pharyngeal arch 1 and pharyngeal arches 3 and 4, respectively).a. Anterior two thirds of tongueTaste: chorda tympani branch of the facial nerve (CNVII)Sensation: lingual branch of the mandibular (V3 ) division of the trigeminal nerve (CNV)b. Posterior one third of tongue:Taste and sensation: glossopharyngeal nerve (CNIX)c. Base of tongueTaste and sensation: vagus nerve (CNX)