Tongue develops from all except?
Correct Answer: Second arch
Description: Second arch gives minimum contribution to tongue development. Arch 1 - oral pa of tongue (anterior 2/3rd) except Circumvallate papillae - general sensations supplied by lingual nerve, branch of mandibular nerve, branch of trigeminal nerve Arch 2 - Disappears at foramen caecum. Arch 3 - Pharyngeal pa of tongue (posterior 1/3rd) with circumvallate papillae supplied by 9th nerve Arch 4 - Epiglottis and Posterior most tongue supplied by Internal Laryngeal Nerve, branch of Superior Laryngeal Nerve, Branch of Vagus Nerve The tongue muscles are derived from the myotomes of the occipital somites.
Category:
Anatomy
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