![Yuav ua li cas yog lub portal system nyob rau hauv lub cev? Yuav ua li cas yog lub portal system nyob rau hauv lub cev?](https://i.answers-medical.com/preview/medical-health/14135795-what-is-a-portal-system-in-anatomy-j.webp)
Video: Yuav ua li cas yog lub portal system nyob rau hauv lub cev?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Portal system Nws tuaj yeem txhais tau tias yog ib feem ntawm cov kab ke hauv lub cev, uas cov ntshav ntws los ntawm capillarybed ntawm ib lub qauv ntws los ntawm cov hlab ntsha loj los muab lub txaj capillary ntawm lwm cov qauv, ua ntej rov qab mus rau lub siab.
Kuj paub, dab tsi yog lub portal system hauv tib neeg lub cev?
Cov kab mob siab portal qhov system Nws yog ib tug series ntawm cov hlab ntsha uas nqa cov ntshav los ntawm capillaries ntawm plab, hnyuv, hnoos qeev, thiab txiav txiav rau cov hlab ntshav hauv lub siab. Nws yog part ntawm lub cev pom lawv.
Ib sab saum toj no, ob lub portal tshuab hauv tib neeg lub cev yog dab tsi? Portal venous tshuab raug suav tias yog venous vim cov hlab ntsha uas koom nrog ob capillarybeds yog cov leeg lossis cov leeg. Piv txwv ntawm xws li tshuab suav nrog lub siab portal qhov system , qhov hypophyseal portalsystem , thiab (hauv cov tsis yog tsiaj) lub raum portalsystem.
Cov lus nug tseem yog, dab tsi yog lub nkoj portal?
Noun. 1. portal hlab ntsha - luv leeg uas nqa ntshav mus rau lub siab. mob siab portal hlab ntsha , venaportae, cov lub portal . lub portal system - cov hlab ntsha uas nqa cov ntshav los ntawm lub plab hnyuv mus rau lub siab.
Qhov leeg ntshav ntawm lub cev nyob qhov twg?
Cov kab mob siab portal hlab ntsha yog lub nkoj uas txav ntshav los ntawm tus po thiab txoj hnyuv mus rau daim siab. Nws yog kwv yees li peb mus rau plaub ntiv tes ntev thiab feem ntau yog tsim los ntawm kev sib koom ua ke ntawm cov mesenteric superior thiab splenic leeg tom qab sab saud sab saud ntawm lub taub hau ntawm lub qhov taub.
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Cov kab ke ncig ua haujlwm yog ua los ntawm cov hlab ntshav uas nqa ntshav tawm ntawm thiab mus rau lub plawv. Cov hlab ntsha nqa ntshav tawm ntawm lub plawv thiab cov hlab ntsha nqa ntshav rov qab mus rau lub plawv. Lub cev ncig ua haujlwm nqa cov pa oxygen, cov as -ham, thiab cov tshuaj hormones rau cov cell, thiab tshem tawm cov khoom pov tseg, xws li carbon dioxide
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