MICROANATOMY

MUSCLE NERVE CARTILAGE BONE

BONE FORMATION JOINTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Define periosteum.
A
It’s a membrane that surrounds bones.
B
It covers the ends of a bone.
C
It covers the part of a bone that is not covered in cartilage.
D
None of the above
Explanation: 

Detailed explanation-1: -The outer covering of the bone is known as the periosteum; the periosteum covers the whole surface of the bone except at the ligament attachment, tendon attachment, and an area covered by articulating cartilage. The periosteum is absent in sesamoid bones.[9][10]

Detailed explanation-2: -The periosteum is a membrane that covers the outer surface of all bones, except at the articular surfaces (i.e. the parts within a joint space) of long bones. Endosteum lines the inner surface of the medullary cavity of all long bones.

Detailed explanation-3: -The outer surface of bone, except in regions covered with articular cartilage, is covered with a fibrous membrane called the periosteum.

Detailed explanation-4: -The periosteum is a thin layer of connective tissue that covers the outer surface of a bone in all places except at joints (which are protected by articular cartilage). As opposed to bone itself, it has nociceptive nerve endings, making it very sensitive to manipulation.

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