Which of the following occurs during endochondral ossification
A)Osteoblasts differentiate within a mesenchymal or fibrous connective tissue.
B)Osteoblasts secrete the organic component of the matrix.
C)Blood vessels enter the spaces between bone spicules to supply the growing tissues.
D)The bone grows in length.
E)None of the answers are correct.

Question

Quizplus · Accepted Answer

Endochondral ossification is the process of bone formation that occurs in the developing embryo and growing bones. It involves the replacement of hyaline cartilage models with bone tissue. One of the key events that occur during endochondral ossification is the growth in length of the bone. This is achieved by the proliferation of chondrocytes within the epiphyseal growth plates, which leads to the lengthening of the cartilage model. Eventually, osteoblasts will replace the hyaline cartilage with bone tissue, resulting in the formation of the mature bone. A, B, and C are incorrect because they are not specific to endochondral ossification, but rather describe general bone formation processes.

Which of the Following Occurs During Endochondral Ossification