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nmdcat.online July 27, 2026

A student compares cartilage and bone under the microscope. Which observation correctly identifies cartilage?

A. Presence of Haversian canals
B. Presence of osteocytes in concentric rings
C. Chondrocytes enclosed in lacunae without Haversian canals
✓
D. Numerous blood vessels surrounding cells

📝 Explanation

Correct: Cartilage contains chondrocytes in lacunae and lacks Haversian systems. A & B: These are features of compact bone. D: Cartilage is avascular. Concept: Microscopic comparison of cartilage and bone.

📖 Additional Information

  • Presence of Haversian canals
  • Presence of osteocytes in concentric rings
  • Chondrocytes enclosed in lacunae without Haversian canals
  • Numerous blood vessels surrounding cells

Correct: Cartilage contains chondrocytes in lacunae and lacks Haversian systems. A & B: These are features of compact bone. D: Cartilage is avascular. Concept: Microscopic comparison of cartilage and bone.

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