Cortex

Question 1

Osteoprogenitor cells

Answer 1

located on bone surfaces, for example under the periosteum, these cells serve as a pool of reserve osteoblasts

Question 2

Osteoblasts

Answer 2

bone forming cells found on the surface of developing bone. They have plentiful RER and prominent mitochondria.

Question 3

Osteocytes

Answer 3

bone cell trapped within the bone matrix

Question 4

Osteoclasts

Answer 4

large (up to 40µm or more) multinucleated cells. They are found on the surface of bone and are responsible for bone resorption.