Esophagus bụ oghere, muscular tube nke na-eburu nri ma na-etinye aka n'akpa ahụ. Esophagus na-agafe n'etiti etiti obi, ebe a maara dị ka mediastinum . Kedu ụdị ụlọ ọrụ na ọrụ, oleekwa ọnọdụ ahụ ike nwere ike imetụta esophagus?
Nhazi
Ngwurugwu na-amalite na akpịrị (pharynx) ma na-ejegharị na afọ, na-agafe na diaphragm na-aga.
Ogologo n'ogologo n'ogologo 25 cm (9 ruo 10 sentimita) na ndị okenye. Ọ na-aga n'azụ trachea (windpipe) na n'ihu spine.
Enwere 2 sphincters (ebe enwere ike meghere ma mechie) na esophagus.
- Ọkpụkpụ esophageal n'elu (UES) dị n'okpuru afọ ofufo na njide onwe onye. Ọ na-eme iji gbochie ihe oriri na mmiri ịbanye na windpipe (trachea,) n'okwu ndị ọzọ, na-egbochi nri si "na-aga n'ụzọ na-ezighi ezi" (na-achọsi ike.) IU nwere ike mepee ma mechie anya nke ọma, dịka mgbe ị na-egbu, ilo, na ịgba agbọ .
- Enwere ihe omuma nke esophageal (LES) bụ onye na-adịghị edozi anya ma na-arụ ọrụ iji gbochie afo mmiri site na njem n'ime esophagus. Mmanya na-egbu egbu, yana ụdị ọgwụgwọ ndị ọzọ, nwere ike ime ka ntụrụndụ nke LES na-eduga na reflux.
Ọrụ
Ndị esophagus na-eje ozi na-enyefe nri ma na-agbapụta site n'ọnụ ruo n'afọ. A na-eme nke a site na mkparịta ụka nke oge (peristalsis) kama nnukwu ike.
Site na agbọ agbọ agbọ, ihe ndị a na-agbagha, na-eme ka ihe dị n'ime afọ na-alọghachi n'ọnụ ya ka ọ gbụọ.
Ọnọdụ ọgwụgwọ
E nwere ọtụtụ ọnọdụ ahụike nwere ike ime na esophagus. Ụfọdụ n'ime ndị a gụnyere:
- Reflux Gastroesophage (GERD)
- Ọkụ obi mgbawa - Heartburn na-ezo aka n'ọkụ dị ọkụ ọtụtụ ndị natara n'ime obi ha na afọ ụbụrụ mgbe ha richara nri. Obi nkorokasị oge na-adịghị mkpa ka ọ bụrụ ihe dị mfe, dịka mmebi nke esophagus bụ ihe dị ize ndụ maka otu ụdị ọrịa cancer nke esophageal.
- Esophagitis (mbufụt nke esophagus) - Ndị na-esophagus nwere ike ịmịnye ọkụ n'ihi ụbụrụ acid site na afọ, site na ọrịa, ma ọ bụ site na mmebi nke ọgwụgwọ radiation na-enye obi.
- Barrett's esophagus - Barrett's esophagus bụ mgbanwe "dị njọ" na anụ ahụ na-ekpuchi esophagus, bụ nke GERD na-adị ogologo oge. Ọ bụrụ na ị nwere GERD na-adịghị ala ala na mgbaàmà nke nrịkasi obi, onye dọkịta gị nwere ike ịkwado ule iji nyochaa esophagus Barrett. Ọ bụrụ na edepụtara mgbanwe, a ga-atụle ọgwụgwọ ọzọ iji belata ihe ize ndụ nke ịmepụta cancer cancer nke esophageal n'ọdịnihu.
- Ọrịa na-egbu egbu - ọrịa cancer bụ ọrịa cancer nke nwere ọnụ ọgụgụ dị elu nke lanarị. E nwere ụdị isi abụọ nke cancer a. Otu ụdị, ọrịa cancer esophageal dị mkpirikpi, na-eche na ọ ga-emetụta akụkọ ihe mere eme nke ịṅụ sịga na ịṅụ mmanya. Ụdị ọzọ, ọrịa mgbapụta ụkwụ na-enwekarị mgbe a na - ahụkarị ndị nwere ogologo ntachi obi nkoropụ.
- Mallory-Weiss tears - Ndị a bụ anya mmiri nke esophagus nke na-eme mgbe ụfọdụ na ịme ihe ike.
- Esophageal varices - Ndị a bụ n'ụzọ bụ isi "veinsose veins" nke metụtara etuto nke esophagus nke na-ejikọta ya na ọrịa cirrhosis.
- Achalasia - Achalasia bụ ọnọdụ nke esophagus dị ala anaghị adajụ, na-egbochi nri si na-abanye n'ime afo.
> Isi mmalite:
> American Cancer Society. Kedu ihe bụ Ọrịa Cancer nke Esophagus? Emelitere 06/14/17. http://www.cancer.org/cancer/esophaguscancer/detailedguide/esophagus-cancer-what-is-cancer-of-the-esophagus
> Ụlọ Akwụkwọ Ọgwụ nke United States. MedlinePlus. Nsogbu Esophagus. Emelitere 12/06/17. https://medlineplus.gov/esophagusdisorders.html