Periosteum · Histology

The periosteum is absent on which of the following bones or bone parts?

  1. Sesamoid bones like the patella
  2. The external surface of the cranial vault bones
  3. Where tendons and ligaments insert into bone
  4. The internal surface of the ribs
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Correct answer: Where tendons and ligaments insert into bone

At the junction where tendons or ligaments insert into bone, the periosteum is replaced by the direct continuation of the connective tissue fibers (Sharpey's fibers) into the bone matrix.

Difficulty: Medium Question 12 of 20

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