The ear bone and the hyoid bone are derived from the
A)cartilaginous neurocranium
B)membranous neurocranium
C)cartilaginous viscerocranium
D)membranous viscerocranium
E)endoderm

Question

Quizplus · Accepted Answer

The ear bone (ossicles) and the hyoid bone are both part of the viscerocranium (facial skeleton). The viscerocranium is derived mostly from the pharyngeal (branchial) arches, which are embryonic structures that form during development from the endoderm and ectoderm. The ear bone and hyoid bone, in particular, are derived from the second branchial arch, which is a cartilaginous structure. Therefore, the correct answer is C, cartilaginous viscerocranium.

The Ear Bone and the Hyoid Bone Are Derived from the