Regulation of Calcium and Phosphate

by Shahid, Asma

Physiology

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Atmdfrwerkcchjaykcqj 180903 s0 shahid asma regulation of calcium and phosphate intro
01:49
Regulation of Calcium and Phosphate
Asnpkwxirykdlilpyvl3 180903 s1 shahid asma calcium and phosphate in body
22:17
Calcium and Phosphate in Body
Bzsyqczssycbyacwxhh6 180903 s2 shahid asma vitamin d
07:44
Vitamin D
Jnsdicr7tgq9orzfce05 180903 s3 shahid asma parathyroid hormone
09:31
Parathyroid Hormone
Gbfi9njor5gyrvzuikdu 180903 s4 shahid asma calcitonin
08:19
Calcitonin
Rdzeytqasxi5kdoj0aqr 180903 s5 shahid asma teeth
06:32
Teeth

Lecture´s Description

Calcium and Phosphate in Body
In this lecture ´´Regulation of Calcium and Phosphate´´ are explained. Section one is about ´´Calcium and Phosphate in Body´´. Initially, an overview of calcium and phosphate in body. After that calcium in plasma and interstitial fluid is elaborated. Following this, inorganic phosphate in extracellular fluids is explained. Then physiological effects of Ca and PO4 concentrations are reported. Moving onward, effect on nervous system and muscle activity is discussed. Subsequently, elucidation of absorption and excretion of Ca and PO4 is given. Later on, renal excretion of calcium and phosphate is pursued. Then bone and its relation to extracellular Ca and phosphate is highlighted. Alongside, bone salts are discussed. Educator also focuses tensile and compressional strength of bone. Afterwards, light is shed on precipitation and absorption of Ca and PO4 in bone. Moving onward, calcification comes under consideration. Likewise, precipitation of calcium in nonosseous tissues is briefly discussed. This is followed by calcium exchange between bone and extracellular fluid. Next subject of discussion is remodelling of bone. Then function of osteoclasts is reported. At last, bone deposition and resorption is exhibited.


Vitamin D
Section two is about ‘’Vitamin D’’. At first, educator explains vitamin D. Then cholecalciferol conversion in liver is discussed. Following this, formation of 1,25-dihydroxycholecalciferol is exhibited graphically. After that actions of vitamin D are highlighted. Furthermore, hormonal effect of vitamin D is elaborated.


Parathyroid Hormone
Section three is about ‘’Parathyroid Hormone’’. In the beginning, parathyroid hormone is discussed. After that effect of parathyroid hormone on Ca and phosphate is explained. Then information about osteolysis is delivered. Activation of osteoclasts is also elaborated in this section. Likewise, action of parathyroid hormone is pursued. Moreover, elucidation of parathyroid secretion by calcium ion concentration is given. Lastly, educator presents summary of effects of parathyroid hormone.


Calcitonin
Section four is about ‘’Calcitonin’’. Earlier in this section, calcitonin is explained. Then calcitonin secretion is focused. Likewise, summary of control of Ca ion concentration is given. After that comprehensive information about pathophysiology is given.


Teeth
Section five is about ‘’Teeth’’. Educator begins by elucidating physiology of teeth. After that formation of teeth is discussed. Then development of tooth is explained diagrammatically. Lastly, dental abnormalities are elaborated.

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