Video: PTH nce ntshav li ca2+ cov ntawv xeem li cas?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Tsawg dua ntshav Ca2+ txhawb PTH . PTH txhawb nqa kev ua kom muaj vitamin D hauv ob lub raum, thiab vitamin D nce kev nqus ntawm Txa2+ los ntawm txoj hnyuv me. PTH ib txwm nce re-absorption ntawm Txa2+ los ntawm cov zis hauv lub raum, uas txo cov nyiaj ntawm Txa2+ poob hauv cov zis.
Tom qab ntawd, PTH nce ntshav ca2+ qib li cas?
Parathyroid hormone tswj qib calcium hauv ntshav , los ntawm nce ntxiv cov qib thaum lawv qis heev. Cov pob txha - parathyroid hormone stimulates tso tawm calcium los ntawm loj calcium khaws cov pob txha rau hauv cov hlab ntshav. Qhov no nce pob txha puas tsuaj thiab txo qis kev tsim cov pob txha tshiab.
Ib yam nkaus, yam tshuaj twg ua rau kom muaj qib calcium hauv cov ntshav? Cov parathyroid hormone ( PTH ), secreted los ntawm parathyroid cov qog, yog lub luag haujlwm tswj hwm cov qib calcium hauv cov ntshav; nws tau tso tawm thaum twg cov ntshav calcium qib qis. PTH nce cov ntshav calcium ntau ntau los ntawm kev txhawb nqa osteoclasts, uas ua kom cov pob txha tawg kom tso calcium rau hauv cov ntshav.
Zoo ib yam tuaj yeem nug, Parathormone cuam tshuam dab tsi rau cov qib calcium hauv cov ntawv xeem ntshav?
Parathyroid hormone nce calcium nqus hauv cov hnyuv los ntawm cov khoom noj los ntawm nws teebmeem ntawm cov vitamin D metabolism. Yuav ua li cas ua parathyroid hormone txhim kho reabsorption ntawm calcium hauv cov hnyuv? tso tawm los ntawm calcium ntsev hauv pob txha ECF.
Thaum cov ntshav calcium qib qis parathyroid hormone yuav?
Thaum lub calcium hauv peb ntshav mus ib yam nkaus qis , cov parathyroid cov qog ua ntau dua PTH . Nce PTH ua rau lub cev tso ntau dua calcium rau hauv ntshav . Nce PTH ua rau cov pob txha tso tawm lawv calcium rau hauv ntshav.
Pom zoo:
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