Asthi dhatu: Difference between revisions
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== Functions == | == Functions == | ||
The important function of asthi dhatu is providing structure and support to the body.It also nourishes the successor bone marrow tissue (majja dhatu).[Su. Sa. Sutra Sthana 15/5] | |||
In addition, contemporary physiology states that bone tissue carries out following functions too. | The important function of asthi dhatu is providing structure and support to the body. It also nourishes the successor bone marrow tissue ([[majja dhatu]]).[Su. Sa. Sutra Sthana 15/5] | ||
In addition, contemporary physiology states that bone tissue carries out the following functions too. | |||
Mechanical: | Mechanical: | ||
• Protection : It protect internal organs | • Protection : It protect internal organs | ||
• Movement: facilitate movement | • Movement: facilitate movement | ||
• Hearing: Facilitate hearing through sound transduction | • Hearing: Facilitate hearing through sound transduction | ||
Synthesis: | Synthesis: | ||
The cancellous part of bone contains bone marrow. It produces blood cells including red blood cells, platelets and white blood cells. This process is called as hematopoiesis. | |||
The cancellous part of the bone contains bone marrow. It produces blood cells including red blood cells, platelets and white blood cells. This process is called as hematopoiesis. | |||
Metabolism: | Metabolism: | ||
The bone tissue | |||
The bone tissue regulates acid-base balance, stores calcium, and fat cells. It acts as an endocrine organ by controlling the phosphate metabolism. It release fibroblast growth factor – 23 (FGF-23), which acts on kidneys to reduce phosphate reabsorption. The bone cells also release a hormone called osteocalcin. This contributes to the regulation of blood sugar (glucose) and fat deposition. Osteocalcin increases both insulin secretion and sensitivity, in addition to boosting the number of insulin-producing cells and reducing stores of fat. | |||
==Importance in diagnosis== | ==Importance in diagnosis== | ||
===Causes of vitiation=== | ===Causes of vitiation=== | ||