Changes

#'''Intramembranous Ossification''' - direct conversion of mesenchymal tissue into bone. Occurs in production of the skull.

#'''Intramembranous Ossification''' - direct conversion of mesenchymal tissue into bone. Occurs in production of the skull.

#'''Endochondrial Ossification''' - mesechymal tissue first differentiates into [[Bones and Cartilage - Anatomy & Physiology#Structure and Function of Cartilage|cartilage]], then into bone. This occurs in the production of limb and axial skeleton.

#'''Endochondrial Ossification''' - mesechymal tissue first differentiates into [[Bones and Cartilage - Anatomy & Physiology#Structure and Function of Cartilage|cartilage]], then into bone. This occurs in the production of limb and axial skeleton.

#*Limb cartilage is produced in a proximal to distal direction as a continuous structure. It becomes punctuated with [[Developmental Biology - Anatomy & Physiology#Joints|joints]] later, and then converted to bone.

#*Limb cartilage is produced in a proximal to distal direction as a continuous structure. It becomes punctuated with [[Developmental Biology Overview - Anatomy & Physiology#Joints|joints]] later, and then converted to bone.