when does Intramembranous and endochondral ossification occur
Endochondral ossification is one of the two essential processes during fetal development of the mammalian skeletal system by which bone tissue is created. Unlike intramembranous ossification, which is the other process by which bone tissue is created, cartilage is present during endochondral ossification.he first site of ossification occurs in the primary center of ossification, which is in the middle of diaphysis (shaft). Then: