Bone Matrix Proteins

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Questions and Answers

What is the shape of the cell?

Small and spindle

What is the shape of the nucleus?

Oval

What is the color of the cytoplasm?

Pale basophilic

What is the size of the cell?

Small Signup and view all the answers

What is the combination of the shape and size of the cell?

Small and spindle Signup and view all the answers

What type of collagen fibers are responsible for the eosinophilic staining of bone matrix?

Type I Signup and view all the answers

What is the function of osteonectin in bone matrix?

To anchor to the collagenic matrix Signup and view all the answers

What type of proteins are osteonectin and other similar proteins?

Adhesive glycoproteins Signup and view all the answers

What is the role of osteonectin in bone development?

To provide a framework for bone growth Signup and view all the answers

What is the composition of bone matrix?

Collagenic matrix with embedded osteonectin Signup and view all the answers

What is the function of the endosteum?

To line the bone marrow cavities Signup and view all the answers

What is the process of forming new bone tissue during growth?

Osteogenesis Signup and view all the answers

Where is the endosteum located in the bone?

In the bone marrow cavities Signup and view all the answers

What is the role of the periosteum in the bone?

None of the above Signup and view all the answers

What is the term for the process of forming new bone tissue during growth and repair?

Osteogenesis Signup and view all the answers

What function does this fluid serve?

Carrying nutrients and metabolites from nearest blood vessels to the cells Signup and view all the answers

Where does this fluid obtain the nutrients and metabolites it carries?

From the nearest blood vessels Signup and view all the answers

What is the primary purpose of this fluid?

Delivering essential nutrients and metabolites to cells Signup and view all the answers

What would happen if this fluid were unable to perform its function?

Cells would lack necessary nutrients and metabolites Signup and view all the answers

What is the relationship between this fluid and the blood vessels?

This fluid obtains nutrients and metabolites from the blood vessels Signup and view all the answers

What is the name of the cells that are connected through gap junctions?

Osteocytes Signup and view all the answers

What is the function of the gap junctions in osteocytes?

To allow for the exchange of nutrients and waste products Signup and view all the answers

How do osteocytes receive their nutrients?

Through gap junctions Signup and view all the answers

What is the role of osteocytes in bone tissue?

To maintain bone health Signup and view all the answers

What is the purpose of the connection between osteocytes and the bone surface?

To exchange nutrients and waste products Signup and view all the answers

Study Notes

Bone Matrix Components

Adhesive glycoproteins, such as osteonectin, anchor to the collagenic matrix
Type I collagen fibers are responsible for the eosinophilic staining of bone matrix

Endosteum

Lines the bone marrow cavities
Cells have a small, spindle shape
Nucleus is oval
Cytoplasm is pale basophilic

Osteocytes

Receive nutrition through a fluid that carries nutrients and metabolites from the nearest blood vessels to the cells

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