Ciki gabobin. dubura

The dubura ne distal ciwon. An located a raya pelvic yankin da kuma ƙare a cikin crotch sashe. The dubura yana da tsawon goma sha biyar - goma sha shida santimita. M ta iyaka aka located in rubutu da babba baki na sacral vertebra III.

Dubura. Tsarin.

Gabar yana da biyu bends: da kumbura da baya (sacrum) da kuma kumbura gaba (crotch). Iyakar tsakanin pelvic da perineal sassan faruwa a yankin na abin da aka makala tsuliya levator tsokoki. Pelvic Gabar Division, dake a cikin pelvic yankin, yana da ampullar (da ciwon a sacrum matakin fadada ampoules) da kuma nadampulyarny rabu. A crotch sashen ne sosai narrower. Wucewa ta cikin crotch, shi Forms da tsuliya canal, bude raya bude. The dubura ya lumen siffofin tsaguwa ayi transversely. Cika lumen yana da wani m siffar.

A na sama yana triangular dubura peritoneum shafi wanda a hankali ya rasa wajen kasa. A yankin IV sacral vertebra peritoneal cover ne kiyaye kawai a kan ta gaban bango. Muscle harsashi jiki ne wakilta a matsayin biyu (ciki madauwari kuma m tsaye) yadudduka. Inner Layer aka kafa a kan thickening na tsuliya canal rabo - involuntary (ciki) tsuliya sphincter. A matsanancin Layer yana da wani sakar zaruruwa tsuliya levator tsoka. Hanawa (m) sphincter ne annular tsoka, wanda ya kunshi subcutaneous da kuma zurfin surface sassa.

A mucosa ampullar sashen samar da biyu - uku mai gangara tare da helical shakka daga cikin folds. A tsuliya canal ne kafa ta takwas - goma tsuliya ginshikan (a tsaye folds), tushe na wanda aka yi sama da santsi tsoka da kuma connective nama. A mucosa ne sebaceous gland da Kadaitaccen lymphoid nodules. A kan iyakar da fata da kuma mucous shirya gashi follicles da sunadarin gumi. Anal sinuses (tududa a tsakanin ginshiƙai) an iyakance ga bude yatsun cewa, samar da rectal-tsuliya tsarin. A wannan yankin akwai venous plexus. A nan, guda-Layer cylindrical mucous epithelium zama rabe epithelium lebur siffar.

A mucosa yana high tsotsa ikon, wanda ya haddasa rectal gwamnati da kwayoyi da kuma ruwaye.

jiki jinin samar don samar da babba, na tsakiya da kuma ƙananan rectal jijiya. A outflow na venous jini da aka kwashe ta jijiyoyinmu daga cikin wannan sunan. Lymph magudanun ruwa ne da za'ayi a podaortalnye, babba rectal da ciki iliac nodes.

Ampullar sashen aikin da aiki na wani tafki da babbar motar ja. tsuliya canal da aka yi da kullawa tumbi da iko (bazuwar) a kan aiwatar da defecation.

Dubura. Cuta.

Anokopchikovym zafi ciwo kira aikin cuta na jiki, wanda suna tare da jin zafi a sacrococcygeal, tsuliya sashen. A dalilan ake magana a kai pathological canje-canje na ƙasũsuwa sacrococcygeal sashen, ya sa ta hanyar rauni, na kullum kumburi, ko spasm na tsokoki na pelvic bene sashen.

Rectalgia (neurological spasms) suna tare da ciwo mai tsanani a cikin rectal yankin.

Popular sau da yawa akwai tsuliya itching. A dalilai na farko bayyanuwar na tsuliya itching ne ba a sani ba. Secondary bayyanuwar accompanies cututtuka irin basur, fistulas da sauran.

Mafi na kowa cututtuka suna dauke su ba takamaiman ƙurji da kuma proctitis, basur, hanji prolapse, tsuliya fissure.

Takaita jiki yawanci ake saya a yanayi da kuma tashi daga ciwon kumburi, rauni da kuma matsawa daga cikin matsanancin jiki.

Daga cikin cututtuka na dubura kiyaye samuwar benign, m marurai na epithelial da kuma wadanda ba epithelial yanayi. Mafi na kowa ne dauke da wani polyp (benign).

M ƙari (ciwon daji) da aka cuta a 40% na dukkan lokuta da siffofin maruran.