The Main Shaft of a Long Bone is Known as Its

Question

The main shaft of a long bone is known as its _______.
A) epiphysis
B) diaphysis
C) endosteum
D) periosteum

Accepted Answer

The diaphysis is the main, long shaft of a bone, typically made up of compact bone tissue. The epiphysis refers to the rounded ends of a long bone and the periosteum and endosteum are both connective tissue membranes that cover the outer and inner surfaces of bones, respectively.