fourth brachial arch
respiratory tract
dorsal
muscles of mastication
fifth pharyngeal pouch
mm of the larynx
second brachial arch
verterbral column arises
hypomere
foregut
epimere
secondary ossification
muscle
4th pharyngeal pouch
sclerotome
muscles of facial expression
first part of transverse colon
mesoderm
Cranial nerve 10
recurrent laryngeal nerve
endoderm
ventral
after birth
first brachial arch
