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What is found lining the marrow cavity of a long bone?
Endosteum
What is the difference between the epiphysial plate and the epiphyseal line?
The epiphyseal plate is a plate of hyaline cartilage where growth and ossification is happening, while the epiphyseal line is the ossified line visible AFTER growth has happened
What is true between osteoblasts and osteoclasts?
They are types of cells found in bone connective tissue
What cells are responsible for early stages of endochondral ossification?
Chondrocytes
What is the name of the layers of bone matrix in an osteon?
Lamellae
What are the small channels that radiate through the matrix of the bone?
Canaliculi
What is the function of caniculi?
Allow osteocytes to communicate with each other
What does the term osteoid refer to?
The organic parts of the matrix of compact bones
What is the largest mass of the bone due to?
Hydroxyapatite
What tissue is the forerunner of long bones in the embryo?
Hyaline cartilage
List items that might be found in the central canal of an osteon
Arteries, veins, capillaries
What is spongy bone made of?
Trabeculae with gaps in between them
What are sacrificial bonds?
Weak links in the collagen that wraps around the lamella in an osteon
Why are sacrificial bonds important?
They break when subjected to stress or force, saving the bone from absorbing this force and possibly fracturing
What provides a bones resistance to twisting pressure?
Collagen fibers between the lamellae of osteons
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