EMBRYOLOGY
PHARYNGEAL ARCHES
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Which of the following muscles are derived from the first branchial arch?
|
|
Muscles of mastication
|
|
|
Muscles of mastication and anterior belly of digastric
|
|
|
Muscles of mastication, anterior and posterior belly of digastric.
|
|
|
Muscles of mastication, anterior and posterior belly of digastric and genohyoid.
|
Explanation:
Detailed explanation-1: -From the paraxial mesoderm of the first pharyngeal arch the muscles of mastication, mylohyoid, anterior belly of digastric, tensor veli palatini and the tensor tympani muscles are formed.
Detailed explanation-2: -Additional branchial arch-derived muscles innervated by the branchial motor component of V are the tensor veli palatini muscle of the palate, the tensor tympani muscle of the middle ear (which inserts on the malleus), and two suprahyoid muscles, the anterior belly of the digastric and mylohyoid.
There is 1 question to complete.