Question
Tongue muscles are derived from
| A. |
Lateral plate mesoderm
|
| B. |
Occipital myotome
|
| C. |
Intermediate mesoderm
|
| D. |
Cervical myotome
|
Show Answer
|
Correct Answer � B
Explanation
|
|
Ans: B Occipital myotome
Development of the tongue:-
I. Epithelium:
Ant 2/3 — lingual swellings of 1st arch and tuberculum impar.
Post 1/3 — large dorsal part of hypobranchial eminence, i.e, 3rd arch.
Posterior most part — small dorsal part of the hypobranchial eminence, i.e. 4th arch.
II. Muscles:
Derived from occipital myotomes except palatoglossus which is derived from the 6th arch.
