I-sphincter ephezulu ye-esophageal i-valve ye-muscular efumaneka kwingxenyana ephezulu yesigxu, okuqhelekileyo malunga nee-intshi ezili-8 ubude.
Ngokungafani ne-infhgeer sphincter (LES), evula kwaye ivala ngaphandle kwemizamo yethu yokuziqonda, i-sphincter ephezulu ye-esophageal ingaphansi kokulawula kwethu. Sinokulawula xa ivula. Ngokomzekelo, sinokuvula i-sphincter ephezulu yokugwinya ukutya okanye utywala.
I-UES emsebenzini
Ngexesha lokugwinya, i-sphincter ye-esophageal evulekileyo ivule ukuvumela ukutya kunye notywala ukuba kudlulele kwi-oopopus. Inokunciphisa nokubuya kwezinto zokutya kunye neengxube eziphuma kwi-esophagus ukuya kwi-pharynx.
Ukongeza kokutya, sisebenzisa le nxalenye yesigxina ngelixa siphefumula nje. Kwakhona kudlala kwimisebenzi yomzimba engathandekiyo, njenge-burping okanye ukuphosa, ekhupha igesi okanye izinto eziyingozi emzimbeni.
Iqoqo lezihlunu ezenza i-sphincter ephezulu ye-esophageal ivimbela ukutya ukuhamba phantsi kwe- trachea , okanye i-windpipe. Oku kwaziwa ngokuba yi-aspiration kwaye ibhekisela kwizixhobo zakwamanye amazwe kwi-airway. Ukuphefumula kungakhokelela ekukhayeni okanye nokuba ne-pneumonia ukuba uhambo lokutya luye emiphakeni. Xa ukutya kuhla "ipayipi engafanelekanga," icebiso elifanelekileyo kukukhwehlela, oku kunceda ukutya kukuhla kwe-oopopus esikhundleni.
Eyaziwayo Njengaye: I-sphincter ephezulu ye-esophageal igqityiweyo njenge-UES.
Kwakhona kwaziwa ngokuba yi-inferior pharyngeal sphincter ekubeni ibeke endaweni ekupheleni kwe-pharynx kwaye ikhusela ukuvula kwindawo.
Xa i-UES Imisebenzi
Ukuba i-sphincter ephezulu ingasebenzi kakuhle, i-asidi eye yajika ibuyele kwisigxina ivumelekile emqaleni.
Oku kunokukhokelela kwiimeko zonyango ezibuhlungu, ezifana nokuguquka kwesifo okanye isifo se-reflux esiswini (GERD), eli gama elisetyenziselwa ukuchaza amaxesha aphindaphindiweyo.
Kutheni i-UES iyingqayizivele
I-UES idlala indima ekhethekileyo ekulawuleni ukuhamba kwendawo yokutya kunye ne-liquid emqaleni, kodwa yona kunye ne-LES ayilona i-sphincters kuphela emzimbeni. Kukho kwakhona i-sphincter engumzekelo, iqela le-muscle elikufutshane ne-anus elilawula ukuhamba kwesigxina ngaphandle komzimba. Emva koko, kukho i-sphincter ye-Oddi, elawula ukuhamba kwe-bile kunye ne-pancreatic secretions kwi-intestine encinane.
Nangona i-sphincters ibonakala kwiindawo ezahlukeneyo zomzimba, bonke basebenze ukulawula ukuhamba kwezinto ngokusebenzisa izitho kunye nokuvula nokuvala iingxenye zomzimba ezahlukeneyo. I-Sphincters idlala indima ebalulekileyo ekugcineni umzimba uphelile kwaye uphilile.
Ukuqhawula phezulu
Ngoxa ufunda malunga neengxenye zomzimba ezidlala indima ebalulekileyo ekuphuhliseni i-acid reflux ayiyi kuyenza ukuba uhlahlo lwakho luphele, luyakwenza ukuba ube nesigulane esineenkcukacha, okwaziyo ukulandela iindlela ezahlukeneyo zokufumana unyango olufanelekileyo.
Ukuguquka kwentsholongwane engapheliyo okanye i-GERD inokuchaphazela kakhulu umgangatho wobomi bomntu. Ukuba unamaqhekeza aphindaphindiweyo e-acid reflux, qhagamshelana nogqirha wakho malunga nendlela yokulungisa ingxaki.
I-Antacids, utyando okanye iimeko zasemakhaya kunye neenguqu zokuphila zinganciphisa iimpawu zakho.
> Umthombo:
UKarol Ann Rinzler, uKen DeVault, MD. Ukuguquka kwenkunkuma kunye neReflux yeDummies. Wiley Publishing, Inc., 2004.