Long bones begin as _______ bones. At maturity, the shaft of a long bone consists of a _______ of _______ bone.
A) dermal; cylinder; compact
B) dermal; solid rod; cancellous
C) cartilage; cylinder; compact
D) cartilage; cylinder; cancellous
E) cartilage; solid rod; compact

Question

Quizplus · Accepted Answer

Long bones in the body begin as cartilage bones during development. At maturity, the shaft (diaphysis) of the long bone consists of a cylinder of compact bone that surrounds the medullary cavity, which is filled with cancellous (spongy) bone.

Long Bones Begin as _______ Bones