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bioch2

QuestionAnswer
paratiroides que secreta PTH paratiroid hormone by chief cells
de que se encarga la PTH is secreted when --low ca in serum (detected by CASR receptors) calcium sensing recept lo sube --> activ osteoblastos-osteoclastos-detruc bone- ca -->reabs in the renal tub -->activating ALFA HIDROLASA que conviert vit D en calcitriol (to abs +ca)
PTH AND KIDNEY pth acts on the kidney (riñon) to increase the RENAL REABSORTIO OF CA in order to avoid losing ca through orin
hiperparatiroidismo alta pth
tipos hiperparatiroidismo PRIMARIO ( fail in parathyroid--> pq aum PTH aun habiendo alto ca SECUNDARIO--> good secretion of PTH but no increase of CA levels (no response)
HIPERPARATIROIDMS PRIMARIO Y CAUSAS HIGH PTH HIGH CA hipocalcemia---> pth--> increase ca levels --> pth no baja fail in hiperparatoriod gland CAUSAS ADENOMA HIPERPLASIA O CANCER EN LA GLANDULA
HIPERPARATIROIDISMO SECUNDARIO HIGH PTH LOW CA hay un problema en otro sitio que hace que tengamos bajo ca y entonces se activa la pth excesivamente
hypoparatiroidism bajo pth bajo ca alto P occur accidentally in surgery
PSEUDOHYPOPARATIROIDiSM resistencia de las cel a la pth por mas que se produce no responden y el ca sigue bajo
Created by: user-2016378
 

 



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