Lengthwise, long bone growth during infancy and youth is exclusively through
interstitial growth of the epiphyseal plates
Which hormone increases osteoclast activity to release more calcium ions into the bloodstream?
Which of the following statements best describes interstitial growth?
chondrocytes in the lacunae divide and secrete matrix, allowing the cartilage to grow from within
Bones are covered and lined by a protective tissue called periosteum. The inner (osteogenic) layer consists primarily of ________.
osteoblasts and osteoclasts.
The canal that runs through the core of each osteon (the Harversian canal) is the site of ______.
blood vessels and nerve fibers
Which structure allows the diaphysis of the bone to increase in length until early childhood, as well as shaping the articular surfaces?
Cartilage grows in two ways, appositional and interstitial. What is appositional growth?
the secretion of new matrix against the external face of existing cartilage.