Video: Tus pyloric sphincter nyob qhov twg?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov pyloric sphincter txoj kev yog ib pawg ntawm cov leeg du ntawm qhov kev sib tshuam nruab nrab ntawm pylorus ntawm lub plab thiab duodenum ntawm txoj hnyuv me. Nws ua lub luag haujlwm tseem ceeb hauv kev zom zaub mov, qhov uas nws ua haujlwm li valve los tswj kev khiav ntawm cov khoom noj zom zom zom zaws los ntawm lub plab mus rau txoj hnyuv me.
Ntawm no, dab tsi qhib pyloric sphincter?
Nrog txhua nthwv dej, tus pyloric sphincter qhib thiab tso cai me ntsis chyme dhau mus rau hauv duodenum. Raws li duodenum puv, nws tso siab rau pyloric sphincter txoj kev , ua rau nws kaw. Lub duodenum tom qab ntawd siv peristalsis txav cov chyme hla cov hnyuv me.
Tsis tas li ntawd, dab tsi ua rau pyloric spasm? Hauv zos pyloric cov kev cog lus ( spasms ) tau ua sustained kaw ntawm pylorus uas tuaj yeem cuam tshuam plab zom mov1. Cov xwm txheej kho tshuab hauv duodenum kuj tseem tuaj yeem ua lub luag haujlwm hauv kev tiv thaiv lub plab zom mov. Kev ua haujlwm siab ntawm duodenum tuaj yeem ua rau tsis kam thiab ncua lub plab zom mov.
Khaws qhov no saib, yuav muaj dab tsi tshwm sim yog tias pyloric sphincter raug kaw?
Yog tias pyloric sphincter raug thaiv, nws tuaj yeem ua rau muaj cov tsos mob xws li ncua lub plab khoob thiab kua qaub rov qab (GERD) lossis LPR.
Dab tsi relaxes pyloric sphincter?
Muab cov tshuaj intravenously, metoclopramide muaj cov txiaj ntsig zoo rau so cov spasmodic pyloric sphincter txoj kev thiab yog li ntawm kev pab ntawm kev tshuaj ntsuam endoscopic ntawm lub duodenal teeb thiab duodenum feem ntau.
Pom zoo:
Qhov chaw nyob ntawm thawj lub tsev kawm qib siab kho hniav nyob hauv ntiaj teb nyob qhov twg?
Dr. John M. Harris tau pib lub ntiaj teb thawj lub tsev kho hniav hauv Bainbridge, Ohio, thiab tau pab tsim kho hniav raws li kev noj qab haus huv. Nws qhib rau 21 Lub Ob Hlis 1828, thiab niaj hnub no yog tsev khaws puav pheej kho hniav. Thawj lub tsev kawm kho hniav, Baltimore College ntawm Kev Kho Hniav, tau qhib hauv Baltimore, Maryland, Asmeskas xyoo 1840
Tus sphincter nyob qhov twg?
Qhov qis sphincter, lossis mob plawv sphincter, nyob rau sab saud (cardia) ntawm lub plab. Qhov sphincter no tiv thaiv cov kua qaub hauv plab los ntawm kev nce mus rau hauv txoj hlab pas. Pyloric sphincter, nyob rau sab qis kawg ntawm lub plab
Nyob qhov twg siab endothelial venules nyob qhov twg?
Hauv tib neeg, HEVs tau pom nyob hauv txhua qhov nruab nrab lymphoid (tshwj tsis yog tus po, qhov twg cov ntshav tawm los ntawm cov hlab ntsha qhib thiab nkag mus rau cov nqaij liab), suav nrog ntau pua ntawm cov qog ntshav uas tau tawg hauv lub cev, tonsils thiab adenoids hauv pharynx, Peyer thaj ua rau thaj (PIs) nyob rau hauv txoj hnyuv me, daim ntawv ntxiv, thiab me me
Lub qhov hluav taws xob nyob qhov twg nyob qhov twg?
Lub plab feem ntau yog nyob rau sab laug sab saud sab hauv qab lub diaphragm thiab txuas nrog zoo dua rau txoj hlab pas thiab nyob deb rau duodenum
Tus pyloric sphincter nyob qhov twg hauv npua menyuam hauv plab?
Nrhiav lub plawv sphincter ntawm kev sib tshuam ntawm lub plab thiab txoj hlab pas, thiab pyloric sphincter ntawm kev sib tshuam ntawm lub plab thiab txoj hnyuv. Npua menyuam hauv plab tau txais lawv cov zaub mov los ntawm lawv niam los ntawm txoj hlab ntaws