Bone Development

Question 1

OSTEOBLASTS

Answer 1

Bone forming cells (Rebuild Crew)
Secret a substance that mineralizes bone tissue.
Some become trapped in this material and mature/transform into Osteocytes.

Question 2

OSTEOCLASTS

Answer 2

Bone destroying cells. (Demo crew)
Secrete a substance that dissolves minerals left by Osteoblasts. Leaving behind small cavities (filled later by minerals produced by OBs)
Die until needed
Maintain homeostasis of Calcium and Phosphates

Question 3

OSTEOCYTES

Answer 3

Managers
Mature Osteoblasts that become embedded in Bone Matrix.
Live in rings of Osteons

Question 4

OSSIFICATION

Answer 4

Process of Bone development where pre-existing connective tissue is replaced with Osseous tissue.
Developed by Osteoblasts.

Question 5

INTRAMEMBRANOUS OSSIFICATION

Answer 5

Bone formation from membranes, such as those found in the flat bones of the skull. Occurs after birth and during healing phase of bone fracture.


Question 6

INTRACARTILAGINOUS OSSIFICATION

Answer 6

Formation of bone from cartilage; found in bones of extremities.