Which of the following statements best describes interstitial growth?
A) Growth occurs in the lining of the long bones.
B) Fibroblasts give rise to chondrocytes that differentiate and form cartilage.
C) Unspecialized cells from mesenchyme develop into chondrocytes, which divide and
form cartilage.
D) Chondrocytes in the lacunae divide and secrete matrix, allowing the cartilage to grow from within.
Answer: D