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Questions and Answers
What is the primary form of calcium phosphate?
What is the primary form of calcium phosphate?
- Hydroxyapatite (correct)
- Calcium nitrate
- Calcium sulfate
- Calcite
Which of the following ions is NOT typically found with calcium phosphate?
Which of the following ions is NOT typically found with calcium phosphate?
- Aluminum (correct)
- Magnesium
- Sodium
- Ferrous
What is the other compound that is often found with calcium phosphate?
What is the other compound that is often found with calcium phosphate?
- Calcium nitrate
- Calcium carbonate (correct)
- Calcium sulfate
- Calcium oxide
What is the characteristic shape of calcium phosphate?
What is the characteristic shape of calcium phosphate?
Which of the following is a common associate of calcium phosphate?
Which of the following is a common associate of calcium phosphate?
What is the primary function of the periosteum?
What is the primary function of the periosteum?
Where is the periosteum located in relation to the bone?
Where is the periosteum located in relation to the bone?
What is the main role of the periosteum in relation to bone structure?
What is the main role of the periosteum in relation to bone structure?
What is the periosteum's relationship with the bone surface?
What is the periosteum's relationship with the bone surface?
Where does the periosteum primarily interact with the bone?
Where does the periosteum primarily interact with the bone?
What is the function of the bone cells?
What is the function of the bone cells?
What is the origin of the bone cells?
What is the origin of the bone cells?
What are the lacunae?
What are the lacunae?
What is the process by which osteoblasts get entrapped in the lacunae?
What is the process by which osteoblasts get entrapped in the lacunae?
What is the result of osteoblasts getting entrapped in the lacunae?
What is the result of osteoblasts getting entrapped in the lacunae?
What is a characteristic of the osteoblasts?
What is a characteristic of the osteoblasts?
What happens to the temporary bone?
What happens to the temporary bone?
What is the arrangement of the osteoblasts?
What is the arrangement of the osteoblasts?
What is the characteristic of the bone tissue?
What is the characteristic of the bone tissue?
What is the fate of the temporary bone?
What is the fate of the temporary bone?
What surrounds the inner circumferential lamellae?
What surrounds the inner circumferential lamellae?
Where are the circumferential lamellae located in relation to the bone marrow?
Where are the circumferential lamellae located in relation to the bone marrow?
What is the characteristic structural unit in which circumferential lamellae are found?
What is the characteristic structural unit in which circumferential lamellae are found?
What is the relationship between the circumferential lamellae and the bone canal?
What is the relationship between the circumferential lamellae and the bone canal?
Where are the circumferential lamellae found in relation to the endosteum?
Where are the circumferential lamellae found in relation to the endosteum?
Study Notes
Bone Composition
- Bone is composed of calcium phosphate (in the form of hydroxyapatite crystals) and calcium carbonate.
- Other ions present in bone include sodium, magnesium, and ferrous ions.
Periosteum
- The periosteum covers the external surfaces of bones.
- It is a layer of cells that exhibit a characteristic underlying protein structure.
- The periosteum is the unit of bone cells.
Bone Cells
- Bone cells originate from osteoblasts.
- When osteoblasts are trapped within lacunae (cavities), they become bone cells.
- Bone cells are numerous and irregularly arranged.
Temporary Bone
- Temporary bone is replaced later by secondary bone.
- The temporary bone is characterized by circumferential lamellae that surround the central marrow cavity just beneath the endosteum.
Compact Bone
- The characteristic structural unit in compact bone is the circumferential lamellae.
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Description
This quiz covers the chemical composition of calcium phosphate, including its crystal forms and additional ions like sodium, magnesium, and ferrous.
