What Occurs in the Hypertrophic Zone During Endochondral Ossificiation

question 3

Multiple Choice

What occurs in the hypertrophic zone during endochondral ossificiation?

• A) Chondrocytes in the center of the cartilage undergo mitosis and growth
• B) Invasion of empty lacunae by osteoprogenitor cells
• C) Penetration of calcified septa by blood vessels
• D) Programmed cell death of chondrocytes
• E) Proliferating chondrocytes organize into parallel columns

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