Question

question 1
which of the following are small canals that connect lacunae to each other?
haversian canal
perforating canal
canaliculi

question 2
for endochondral ossification to take place, which of the following is necessary?
bone collar forms around hyaline cartilage model.
ossification center forms in the fibrous connective tissue.
mesenchymal cells differentiate into the periosteum.

Explanation:

Analyze Question 1

• Canaliculi are microscopic canals between the lacunae of ossified bone.
• Haversian canals run longitudinally containing blood vessels.
• Perforating (Volkmann's) canals run perpendicular to the long axis.

Analyze Question 2

• Endochondral ossification begins with a hyaline cartilage model.
• The first major step is the formation of a bone collar around the diaphysis of the hyaline cartilage model.
• Ossification centers in fibrous connective tissue describe intramembranous ossification.

Answer:

Question 1

• haversian canal
• perforating canal
• canaliculi (Correct answer)

Question 2

• Bone collar forms around hyaline cartilage model. (Correct answer)
• Ossification center forms in the fibrous connective tissue.
• Mesenchymal cells differentiate into the periosteum.