Bone Structure Quiz

Central (Haversian) Canal

• Located in the center of the osteon, which is the functional unit of compact bone
• Houses blood vessels, nerves, and lymphatic tissue
• Responsible for providing nutrients, oxygen, and removing waste products from bone cells
• Plays an important role in communication and signaling between bone cells

Lacunae

• Small cavities within both bone and cartilage
• House chondrocytes in cartilage and osteocytes in bone
• Crucial for the maintenance and health of these tissues
• Osteocytes within lacunae communicate with each other to regulate bone density

Osteocytes

• Mature bone cells residing in lacunae
• Responsible for maintaining bone tissue by regulating bone density and mineral content
• Communicate with other osteocytes through canaliculi

Concentric Lamellae

• Layers of mineralized matrix surrounding the central canal, forming ring-like structures
• Provide structural support and strength to bone
• Contain collagen fibers and minerals arranged in a specific way to resist stress and strain

Canaliculi

• Tiny channels connecting lacunae to each other and the central canal
• Facilitate the exchange of nutrients, waste products, and signaling molecules between osteocytes and the blood supply
• Essential for the communication and function of osteocytes

Trabeculae

• Thin, bony plates found in spongy bone, creating a lattice-like structure
• Provide structural support and distribute forces throughout the bone
• Help reduce weight and maintain bone strength

Test your knowledge on the central canal, lacunae, osteocytes, and concentric lamellae. This quiz covers the essential components and functions of bone tissue, highlighting their roles in maintaining bone health and communication. Perfect for students of anatomy and physiology.