5 Questions
Pharyngeal arches are covered with endoderm externally and lined with ectoderm internally.
False
Each arch is composed of mesodermal cells that give rise to bones, cartilages, and muscles.
True
The facial nerve supplies derivatives of the 3rd arch.
False
The glossopharyngeal nerve supplies derivatives of the 2nd arch.
False
The recurrent laryngeal nerve supplies derivatives of the 4th arch.
False
Test your knowledge of the pharyngeal (branchial) arches, their formation, and structure in embryology. Learn about the mesodermal thickenings, the appearance timeline, and the ectoderm and endoderm covering.
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