Video: Dab tsi ua rau tso tawm ADH?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
ADH yog tsim los ntawm hypothalamus hauv lub hlwb thiab khaws cia hauv cov qog ntshav qab zib tom qab ntawm lub hauv paus ntawm lub hlwb. ADH yog ib txwm tso tawm los ntawm lub caj pas hauv kev teb rau cov ntsuas uas pom qhov nce ntawm cov ntshav osmolality (tus lej ntawm cov piam thaj hauv cov ntshav) lossis txo qis hauv cov ntshav.
Ib yam li ntawd, nws tau nug, vim li cas ADH thiaj zais?
ADH raug tso tawm thaum osmolarity siab, ntau dhau Na+, vim lub cev qhuav dej. Nws ua rau khaws cov dej los ntawm ob lub raum, thiab nws tseem ua rau vasoconstriction hauv lub cev ua kom ntshav siab. Nws ua rau khaws cia Na+, thiab dej ua raws Na+ rov qab rau hauv cov ntshav thaum K+ muab tso rau hauv cov lim dej.
Tom qab ntawd, lo lus nug yog, ADH cuam tshuam li cas rau cov zis? Antidiuretic hormone ( ADH ) -tsim tawm los ntawm cov qog ntshav qab zib tom qab -ua kom cov dej rov nqus tau ntau dua hauv cov hlab ntshav sib sib zog nqus thiab khaws cov ciav dej. ADH ua rau txo qis zis ntim thiab txo qis osmolarity plasma. Ib qho diuretic nce zis ntim thiab nce ntshav osmolarity.
Hais txog qhov no, dab tsi ua rau vasopressin tso tawm?
Vasopressin tso tawm tau tswj hwm los ntawm osmoreceptors hauv hypothalamus, uas yog qhov ua tau zoo rau kev hloov pauv hauv plasma osmolality. Hauv cov xwm txheej hyperosmolar, osmoreceptor kev txhawb nqa ua rau vasopressin tso tawm thiab ua kom nqhis dej. Ob lub tswv yim no ua rau nce dej kom tsawg thiab khaws cia.
Dab tsi qhib ADH?
Antidiuretic hormone, lossis ADH , yog ib yam tshuaj uas tsim tawm hauv hypothalamus thiab tso tawm los ntawm lub caj pas pituitary. ADH zais zis yog qhib thaum tshwj xeeb cov hlwb hauv lub hlwb lossis lub plawv pom qhov hloov pauv ntawm cov ntshav lossis ntshav siab.
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