Ureter - tsarin da kuma ayyuka na urinary tsarin

Ureter - wani bakin ciki bututu, wanda ta haɗu da koda da kuma mafitsara ta hanyar abin da fitsari ya fita daga koda cikin mafitsara. Tsari da kuma aiki na ureters tabbatar da al'ada aiki na urinary tsarin. Kowane koda yana da wani ureter, wadda ke daga koda kafafuwa da kuma shiga cikin mafitsara. A tsawon kowane daga cikin ureter game da 30 cm, diamita jeri daga 4 zuwa 7 mm. ureter size ne na bayar da muhimmanci a urolithiasis. Duwatsu ya fi girma fiye 4 mm ba zai iya yardar kaina fito da wani halin yanzu na fitsari a cikin mafitsara da kuma haifar da ci gaban da na koda colic.

Ureter: tsarin da na ciki da kuma pelvic sassa

Daga cikin na koda kafafuwa ureter ne a wani downward shugabanci da kuma a tsakiyarsu, da kafafuwa, inda ta shiga cikin mafitsara, probodaya ya bango a wani QFontDatabase shugabanci. Kowane ureter rarrabe wani na ciki da kuma pelvic part. Ciki ɓangare na ureter located a gaban psoas tsoka. Kafin dama ureter aka raba downward duodenum, jini da kuma tushe na mesentery na kananan hanji. Gaba na hagu ne duodenal-jejunal flexure, jijiyoyin bugun gini cuta da kuma tushe na mesentery na sigmoid ciwon.

A pelvic ɓangare na ureter wuce a gaban da iliac arteries da jijiyoyinmu. A diamita na mafitsara a wannan bangare ne quntata. A maza, shi wuce a gaban vas deferens da kasa da na sama da iyakacin duniya na da seminal vesicle empties a cikin mafitsara. A pelvic ɓangare na ureter a mace suna kewaye da sauran gawawwakin: da ureter gudanar tare da baki daga cikin igiyar ciki cervix da kwai, ya shiga cikin mafitsara gefen daga cikin farji.

Kira intramural rabo daga ureter, located a cikin bangon daga cikin mafitsara.

Ureter: tsarin da bango

A bango na ureter, kazalika da na koda kafafuwa da kofuna waɗanda suka hada uku yadudduka: matsanancin - connective nama ciki mai rufi cikin tsaka epithelium da mucous gland da kuma matsakaici kunsha na biyu yadudduka na tsoka - tsaye da kuma madauwari. Ureters musculature ba da alaka da tsoka Layer na cikin mafitsara da kuma hana baya da ya kwarara daga fitsari daga cikin mafitsara zuwa cikin ureter.

A wuri na abin da ya faru na ureter cikin mafitsara a bango ne a Layer na tsaye tsokoki, a hankali alaka da tsoka Layer na cikin mafitsara. Wannan Layer ne rayayye hana baya da zura fitsari a cikin ureter. A gaban wannan Layer takaita baza kamuwa da cuta daga cikin mafitsara zuwa cikin ureter kuma a cikin koda.

Ureter: tsarin yarda

A lumen na ureter yana da dama hani:

- The farko ƙuntatawa ne a miƙa mulki yanki kafafuwa cikin ureter.

- na biyu da aka located a kan iyakar da ke tsakanin ciki da kuma pelvic yankin.

- uku takaita iya zama a wani yanki na pelvic rabo.

- na huɗu aka located kusa da constriction na mafitsara bango.

A gaban halitta constrictions na ureters yana da muhimmanci na asibiti abubuwan. A cikin wadannan sassan makale kankara exiting da na koda kafafuwa da kuma urinary halin yanzu tafiya a cikin shugabanci na cikin mafitsara.

A cikin shakka daga cikin ureter a Bugu da kari ga ilimin Halittar Jiki hani ne physiological constriction, wanda ya bayyana da kuma bace a lokacin hanginsu.

Ureter: tsarin da jinin samar da innervation

The sama na jini daga ureter na'am da rassan tsawaita daga koda, da kuma testicular ko ovarian jijiyoyi. A tsakiyar part aka kawota tare da jini daga ureteral rassan tsawaita daga ciki lakã da iliac jijiyoyi. Ƙananan part - daga vesical da kuma tsakiyar rectal jijiyoyi. jini ya kwarara faruwa a ciki iliac da lumbar jannayẽnsa.

Innervation na ureter da aka yi da wadannan 'yan autonomic jijiya plexus. Da rassan da vagus jijiya da pelvic splanchnic jijiyoyi samar parasympathetic innervation.