This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Anatomy
Intrinsic muscle of the tongue is derived from 
Select and explain. 
A. 2nd branchial cleft, B. Pharyngeal arch mesenchyme, C. Occipital somites, D. Cervical somites
C: Occipital somites
Answer: C: Occipital somites 
Explanation: The muscles develop from the occipital myotomes which are supplied by the hypoglossal nerve Notes: The intrinsic muscles of tongue are- 1. Superior longitudinal 2.Inferior longitudinal 3.Transverse 4.Veical Ref BDC volume 3,Sixth edition pg 270