Podcast
Questions and Answers
What is the name of the channel in the center of each cylinder of compact bone?
What is the name of the channel in the center of each cylinder of compact bone?
- Haversian canal (correct)
- Lamellar canal
- Osteocyte canal
- Compact channel
Where is red bone marrow primarily found?
Where is red bone marrow primarily found?
- Ends of long bones (correct)
- Shafts of long bones
- Spongy bone
- Compact bone
What gives spongy bone its lattice-like structure?
What gives spongy bone its lattice-like structure?
- Bony spikes arranged along points of pressure or stress (correct)
- Interconnected Haversian canals
- Protein fibers called lamellae
- Blood vessels network
What is the function of yellow bone marrow?
What is the function of yellow bone marrow?
What are the protein fibers wrapping around each Haversian canal called?
What are the protein fibers wrapping around each Haversian canal called?
What is the function of red bone marrow?
What is the function of red bone marrow?
What gives spongy bone its strength and lightness?
What gives spongy bone its strength and lightness?
What is the primary composition of compact bone?
What is the primary composition of compact bone?
Where is yellow bone marrow primarily located?
Where is yellow bone marrow primarily located?
What runs through interconnected Haversian canals in compact bone?
What runs through interconnected Haversian canals in compact bone?
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Study Notes
Compact and Spongy Bone Structure
- Central canal in each cylinder of compact bone is called the Haversian canal.
- Spongy bone has a lattice-like structure due to trabeculae, which are small struts or beams of bone tissue.
Bone Marrow
- Red bone marrow is primarily found in the cavities of spongy bone and in the medullary cavity of long bones.
- The function of red bone marrow is to produce red blood cells, white blood cells, and platelets.
- Yellow bone marrow primarily functions as an energy reserve, storing fat.
Bone Composition and Strength
- The primary composition of compact bone is a dense matrix rich in mineral salts, primarily calcium phosphate, providing strength.
- The strength and lightness of spongy bone come from its trabecular structure, which distributes stress and reduces weight.
Additional Bone Features
- Protein fibers wrapping around each Haversian canal are called lamellae.
- Interconnected Haversian canals in compact bone contain blood vessels and nerves, facilitating nutrient and waste exchange.
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