Table of Contents
- 1 What is the name of the tear down process that dissolves the calcium phosphate of bones?
- 2 What is the function of calcium phosphate in bone?
- 3 What are osteoclasts?
- 4 Why do osteoclasts dissolve bone?
- 5 What is the difference between calcium phosphate and tricalcium phosphate?
- 6 What is calcium phosphate acid or base?
- 7 What roles do osteoblast and osteoclasts play in bone formation and maintenance?
- 8 What is osteoclast and its function?
- 9 How does vinegar affect calcium?
- 10 How do you dissolve calcium carbonate in water?
- 11 What controls the solubility of CaCO3?
What is the name of the tear down process that dissolves the calcium phosphate of bones?
The osteoclasts remove bone by dissolving the mineral and breaking down the matrix in a process that is called bone resorption. The osteoclasts come from the same precursor cells in the bone marrow that produce white blood cells.
What is the function of calcium phosphate in bone?
Calcium phosphates play important roles in cell adhesion and tissue formation by affecting the adsorption of extracellular matrix proteins on the surface [25, 26]. Their properties also influence bone regeneration by affecting newly formed bone minerals [27].
What is osteoblast mineralization?
Mineralization is the most fundamental process in vertebrates. It is predominantly mediated by osteoblasts, which secrete mineral precursors, most likely through matrix vesicles (MVs). These vesicular structures are calcium and phosphate rich and contain organic material such as acidic proteins.
What are osteoclasts?
Osteoclasts are the cells that degrade bone to initiate normal bone remodeling and mediate bone loss in pathologic conditions by increasing their resorptive activity. They are derived from precursors in the myeloid/ monocyte lineage that circulate in the blood after their formation in the bone marrow.
Why do osteoclasts dissolve bone?
Degrading bone also allows periodic repair and remodeling for ordered growth and efficient response to mechanical loads. Osteoclasts dissolve bone mineral by massive acid secretion and secrete specialized proteinases that degrade the organic matrix, mainly type I collagen, in this acidic milieu.
What stimulates osteoclasts to break down bone?
Lysosomal proteases and acid phosphatases are released by the osteoclast to break down the organic matrix. Osteoclastic activity is stimulated by cytokines such as IL-6 and RANK and inhibited by calcitonin.
What is the difference between calcium phosphate and tricalcium phosphate?
Tricalcium phosphate is a supplement form of calcium phosphate and is used to treat or prevent calcium deficiency. In addition to its use as a supplement, tricalcium phosphate is used as an anti-caking agent in powdered food items. It is also used as an additive in some processed foods to boost calcium content.
What is calcium phosphate acid or base?
Calcium phosphate is basic salt since it is a source of weak phosphoric acid and a slightly stronger base of calcium hydroxide.
How do osteoclasts break down bone tissue bone resorption )?
Osteoclasts dissolve bone mineral by massive acid secretion and secrete specialized proteinases that degrade the organic matrix, mainly type I collagen, in this acidic milieu.
What roles do osteoblast and osteoclasts play in bone formation and maintenance?
Bone is in a constant state of remodeling, which is important for the maintenance of normal skeletal structure and function. Osteoclasts are responsible for aged bone resorption and osteoblasts are responsible for new bone formation (Matsuoka et al., 2014).
What is osteoclast and its function?
Osteoclasts are the cells that degrade bone to initiate normal bone remodeling and mediate bone loss in pathologic conditions by increasing their resorptive activity. They are derived from precursors in the myeloid/monocyte lineage that circulate in the blood after their formation in the bone marrow.
Why does bone dissolve?
The site of bone dissolution is a high-calcium environment; removal of degradation products by transcytosis of membrane vesicles allows the osteoclast to maintain a normal intracellular calcium.
How does vinegar affect calcium?
Earth science classes demonstrate vinegar’s effect on calcium with two popular experiments. One is the Flexible Chicken Bone, in which chicken bones are soaked in vinegar for several days or even weeks, turning them soft and flexible.
How do you dissolve calcium carbonate in water?
To dissolve calcium carbonate. CaCO3 (s) + H2CO3 (aq) ⇌ Ca2+ (aq) + 2HCO3- (aq) To dissolve calcium carbonate: Increase pressure or decrease temperature. Per the ideal gas law, this allows more CO2 to enter the water. The extra CO2 creates more H2CO3.
What is the role of carbonic anhydrase II in bone resorption?
Carbonic anhydrase II plays a major role in osteoclast differentiation and bone resorption by effecting the steady state intracellular pH and Ca2+ Exp Cell Res. 1998 Jul 10;242(1):128-37.doi: 10.1006/excr.1998.4071. Authors P Lehenkari 1 , T A Hentunen, T Laitala-Leinonen, J Tuukkanen, H K Väänänen
What controls the solubility of CaCO3?
So what controls CaCO3 solubility? Lower solubility means more CaCO3 precipitates! *The increasing availability of ions that can tie up either Ca 2+ or CO 32- will lowers the effective concentration of Ca 2+ or CO 32- and increases solubility, making it more difficult for Ca 2+ and CO 32- to combine and precipitate.