5 Questions
What is the first pharyngeal arch known as?
Maxillary arch
Which pharyngeal arch is transitory and finally disappears?
Fifth arch
What separates the pharyngeal arches from outside and inside?
Ectodermal depressions
How are the 4th and 6th pharyngeal arches related?
They fuse together
What is the inner lining of each pharyngeal arch composed of?
Endoderm
Learn about the development of the head and neck during embryonic stages, starting at the 4th and 5th week as a small area between the brain and the pericardial bulges, leading to the appearance of the cylindrical bars called pharyngeal arches.
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