Bone Tissue Structures
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Questions and Answers

What is the function of spongy bone?

Found in epiphyses and interior of bones, consists of delicate interconnecting rods or plates of bone called trabeculae, spaces between trabeculae filled with marrow, nutrients diffuse through canaliculi to osteocytes.

Describe the process of bone elongation.

Bone elongation occurs at the epiphyseal plate as chondrocytes proliferate, enlarge, die, and are replaced by bone.

Explain the role of osteoclasts and osteoblasts in bone remodeling.

Osteoclasts remove existing bone, while osteoblasts deposit new bone.

What is the composition of compact bone?

<p>Forms diaphysis and thin bone surfaces, has a predictable pattern of repeating units called osteons, each osteon consists of concentric rings of lamellae surrounding a central canal or Haversian canal, osteocytes within lacunae connected by canaliculi, nutrient exchange occurs via canaliculi and central canals.</p> Signup and view all the answers

Differentiate between intramembranous and endochondral ossification.

<p>Intramembranous ossification occurs within connective tissue membranes, while endochondral ossification occurs within cartilage.</p> Signup and view all the answers

What are the coverings of cortical bone?

<p>Cortical bone is covered by periosteum on its outer and endosteum on its inner surface.</p> Signup and view all the answers

What is the structure that forms the diaphysis and thin bone surfaces?

<p>Compact bone</p> Signup and view all the answers

What is the name of the repeating units in compact bone?

<p>Osteons</p> Signup and view all the answers

Where does intramembranous ossification occur?

<p>Within connective tissue membranes</p> Signup and view all the answers

What is the location of spongy bone within bones?

<p>Epiphyses and interior of bones</p> Signup and view all the answers

What cellular process is responsible for bone elongation at the epiphyseal plate?

<p>Chondrocytes proliferate, enlarge, die, and are replaced by bone.</p> Signup and view all the answers

What are the roles of osteoclasts and osteoblasts in bone remodeling?

<p>Osteoclasts remove existing bone, while osteoblasts deposit new bone.</p> Signup and view all the answers

What are the coverings of cortical bone and their functions?

<p>Cortical bone is covered by periosteum on its outer and endosteum on its inner surface.</p> Signup and view all the answers

From which precursor cells are osteocytes derived, and what is their function?

<p>Osteocytes are mature bone cells derived from osteoblasts, and they maintain bone tissue by orchestrating the bone remodeling process.</p> Signup and view all the answers

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