Thaum muaj ntau npaum li Na + hauv cov dej tsawg, peb lub cev hnov mob los ntawm osmoreceptors thiab kuaj pom osmolarity siab uas ua rau cov ntshav ntws ntau dua hauv cov hlab ntsha. Li no, thaum vim dej tsawg, osmolarity siab, ntshav siab nce.
Puas osmolarity nce ntshav siab?
Nyob rau hauv xaus, peb tau pom tias qhov mob hnyav ntawm kev noj ntsev ntawm cov ntshav siab nce yog txuam nrog nce hauv cov ntshav osmolality, sodium thiab copeptin ntau ntau, thiab cov dej sib xyaw ua ke. uas tiv thaiv cov kev hloov hauv osmolarity tuaj yeem txo qhov nce hauv cov ntshav siab.
Yuav ua li cas thaum cov ntshav osmolarity nce?
Thaum osmolality nce, nws ua rau koj lub cev ua tshuaj tiv thaiv kab mob (ADH) Cov tshuaj hormone no qhia koj ob lub raum kom khaws dej ntau hauv koj cov hlab ntsha thiab koj cov zis yuav muaj zog ntau dua. Thaum osmolality txo qis, koj lub cev tsis ua ntau npaum li ADH. Koj cov ntshav thiab tso zis ntau dhau lawm.
Puas hloov pauv hauv plasma osmolarity cuam tshuam rau ntshav siab?
Lub peev xwm ua kom ntshav siab hnyav nrog ntsev tshwm dependent ntawm kev hloov pauv hauv plasma osmolality ntau dua li cov ntsev.
osmolarity cuam tshuam li cas cov ntshav ntim?
5. Kev tswj ntawm ADH secretion los ntawm plasma osmolarity thiab ntshav ntim. Ntau plasma osmolarity nce ADH tso tawm. Txo cov ntshav ntim, pom los ntawm stretch receptors nyob rau hauv cov hlab ntsha loj thiab atria, kuj ua rau ADH tso tawm.
