Why does spongey bone remodel faster than compact bone?
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Increased surface area of the trabaculae.
What are the four functions of bone remodelling?
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1. To maintain bone health
2. To access the minerals stored in bones.
3. Strengthen bone in areas of stress (will change bone density but not
shape).
4. Strengthens bone in the process of fracture repair.
,What regulates serum calcium levels?
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1. PTH
2. Calcitonin
3. Vitamin D
What is the makeup of the bone's extracellular matrix? What are the layers of the bone
called?
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Type one collagen and mineral salts. The layers are called lammelle
What causes osteomalacia in adults and rickets in children? What two deficiencies can
cause this?
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Lack of bone mineralization causing the bone to soften. Vit D and
phosphate.
What happens if there is a Vitamin D deficiency? What hormone ends up being
released?
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, Calcium will not be as readily absorbed causing a drop in serum Ca2+. The
drop in calcium leads to the release of Parathyroid hormone.
How can osteogenesis imperfecta be treated?
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Inserting rods to stabilize the bones.
What vitamins are needed for bone growth?
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-Vitamin B12
-Vitamin C
-Vitamin D
What are osteoclasts? How do they function and what is the result?
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Cells responsible for resorbing bone. They do this by secreting protein
digesting enzymes and acids causing the bone to release the stored
minerals.
What factors can influence when a person reaches peak bone mass?
Give this one a try later!
Increased surface area of the trabaculae.
What are the four functions of bone remodelling?
Give this one a try later!
1. To maintain bone health
2. To access the minerals stored in bones.
3. Strengthen bone in areas of stress (will change bone density but not
shape).
4. Strengthens bone in the process of fracture repair.
,What regulates serum calcium levels?
Give this one a try later!
1. PTH
2. Calcitonin
3. Vitamin D
What is the makeup of the bone's extracellular matrix? What are the layers of the bone
called?
Give this one a try later!
Type one collagen and mineral salts. The layers are called lammelle
What causes osteomalacia in adults and rickets in children? What two deficiencies can
cause this?
Give this one a try later!
Lack of bone mineralization causing the bone to soften. Vit D and
phosphate.
What happens if there is a Vitamin D deficiency? What hormone ends up being
released?
Give this one a try later!
, Calcium will not be as readily absorbed causing a drop in serum Ca2+. The
drop in calcium leads to the release of Parathyroid hormone.
How can osteogenesis imperfecta be treated?
Give this one a try later!
Inserting rods to stabilize the bones.
What vitamins are needed for bone growth?
Give this one a try later!
-Vitamin B12
-Vitamin C
-Vitamin D
What are osteoclasts? How do they function and what is the result?
Give this one a try later!
Cells responsible for resorbing bone. They do this by secreting protein
digesting enzymes and acids causing the bone to release the stored
minerals.
What factors can influence when a person reaches peak bone mass?
