I-Peristalsis yamathumbu

I-Peristalsis yamathumbu yintlukwano enjengomtshangatshangiselo weendonga zeempawu ezingenanto zesiginci sesisu, esinomfanekiso we-tubular. Ezi ntshukumo zikhuthaza umxholo kulezi ziko ukususela ekuqaleni.

I-Peristalsis yesisu ngokungabikho kokutya kuyo kuphelile. Ngeli xesha, iziphambano zesisu zibonakaliswe ngumbutho ohambelana nokufuduka, apho amaza angama-peristaltic ahambelana nawo afakiwe. Ngethuba lokutya ukutya, izicatshulwa ezithile ze-systolic zenzeka kwiploriki yalo. Emva kwexesha kukho ukuncipha okuncinane kwinqanaba lomzimba kunye nezantsi kwesisu. Kwiyure emva kokutya, i-peristalsis encinane ibonakala kwisisu. Ingqungquthela inesivumelwano kwisantya se-1 cm / yesibini. Ubungakanani botshangatshangiselo olulodwa malunga nemizuzwana eyi-1.5.

Ngethuba elilandelayo, amagagasi akhuliswa, kwaye isantya kunye nobukhulu bawo kwindawo yesantya yesisu nayo yanda. Kwaye ngeli xesha kukho ukwanda kweengcinezelo kulo kwaye kuvulwa i-pyloric sphincter. Ngeli nqanaba, inxalenye yesondlo sokutya equlethwe kwisisu ihamba ngokuthe ngqo kumathumbu.

I-Peristalsis yamathumbu inezinto ezahlukeneyo zomsebenzi. Ngenye yeentlobo ezininzi zeembilini. Ngethuba le nkqubela yokutya emathunjini amancinci , alukho uhlobo oluthile lokusasaza kwe-peristaltic. Ziyahluka kwijubane leendlu ngeengxenyana ezincinci. Ubonakala ngokukhawuleza, ngokukhawuleza, ngokukhawuleza kunye nokukhawuleza okuphambanisayo. Uninzi lwamagagasi afomathi kwingingqi ye -duodenum, kodwa kukho naleyo ebonakala kwi-ileum nejejunum. Ngelo xesha, amaza amaninzi ahamba kunye nomathumbu omncinci.

Ukungabikho kokutya emathunjini amancinci, ukufuduka kweemoto ezihamba ngokubanzi, kuquka amaza angama-peristaltic.

Emathunjini amakhulu, isantya senkqubela yokutya okugayiweyo singaphantsi kwelo lonke isisu. I-peristalsis eqhelekileyo yekolon ithatha ixesha elifutshane kakhulu, lifaniswe nale nkqubo kwezinye iindawo zomathumbu womntu.

I-Peristalsis yamanye amathambo ayenzeka kakhulu ngaphantsi kwefuthe lento ebizwa ngokuba yi-refast gastrocolic evela emva kokungenisa ukutya kwisisu. Emathunjini amakhulu ukuya kwii-4 ngezihlandlo zikhona izicatshulwa eziphambili ezithintela iziqulatho zayo kwi-anus.

I-Peristalsis yamathumbu ine-frequency ye contraction. Zizimisele ngokubakho kwamaza atyhulayo avela kwiimisipha ezihamba kakuhle zegciwane. Banikezelwa ngokuqokelela kweeseli zesigulane, ezihlobo oluthile lwabaqhubi abakhethekileyo besiginyi somzimba. Phakathi kwala maseli, oko kuthiwa "amangqamuzana omzimba weCajal" kubaluleke kakhulu.

Amagagasi ePeristaltic ngokuqhelekileyo anqunywe yimijikelezo ngomzuzu:

- isisu - ukususela kwi-2 ukuya kwi-4;

- duodenum - 10-12;

- i jejunum - 9-12;

- ileum - 6-8;

Intliziyo enkulu - malunga: malunga ne-0.6, 3-4, 6-12;

- irectum - 3;

- sphincter - 3-6.

Umsebenzi osemgangathweni wamathumbu awuyiyo kuphela isiseko sempilo enempilo. Ukutya okufanelekileyo kubaluleke kakhulu kwimpilo yabantu. I-peristalsis eqhelekileyo yamathumbu incike kwiimeko ezahlukeneyo, ezibandakanya: ukutya okunempilo, ukucocwa rhoqo, indlela yokuphila enempilo. Ukuba kukho iingxaki emathunjini, amanyathelo amanyathelo athatyathwa ukulungelelanisa umsebenzi walo. Ukuba uye waphazamisa intestinal peristalsis eqhelekileyo, i-gastroenterologist iya kunika unyango emva kokuba zonke iimvavanyo ezifunekayo zenziwe.