From the Outside to the Inside of a Long Bone

Question

From the outside to the inside of a long bone, what is the first tissue encountered?
A) compact bone
B) spongy bone
C) periosteum
D) medullary cavity
E) bone marrow

Accepted Answer

The periosteum is a dense layer of connective tissue that covers the outer surface of bone, so it is the first tissue encountered when moving from the outside to the inside of a long bone.