Small intestine: kutenga chakudya

Ndi apa kuti thupi amatenga chakudya chilichonse, chabwino pafupifupi chilichonse. Apa pali kusamala ndi dala mankhwala mankhwala zakudya zosiyanasiyana. Pali anathana, adzakhala anapeza ngati kudya. Ine ndikulingalira zomwe malo awa ndi zachilendo? Inde, ntchito ili ankaimba ndi intestine kakang'ono mu thupi.

Pambuyo acid ndi Machining m'mimba chakudya, yotsirizira akulowa intestine yaing'ono. Ndipo njira zikuchitika pano - zobisika kwambiri. Pano thupi m'njira zosiyanasiyana, 'amatanthauza "mchere magazi, mafuta, mavitamini, chakudya, ndithudi, agologolo. Ngati munthu ali mwakayakaya pa mbali za m'mimba yaing'ono, thupi kwenikweni njala nthawi zonse. Nkokoma kuti diagnoses amenewa sanalembedwepo zambiri.

The intestine wamng'ono si yaitali kwambiri. Pafupifupi mamita 6 okha. Malo okwana chubu si chachikulu chotere. Kodi kukhala thupi, chifukwa apa muyenera kuphunzira pafupifupi chilichonse? Linanena bungwe - kapangidwe wapadera za m'mimba towerengeka; pamwamba pake - kuchuluka moona yaikulu kwambiri makutu tosaoneka ndi maso, izo kumawonjezera kwambiri padziko wonse, umene uli wofunika kwa mayamwidwe zakudya (monga asayansi kuzitcha izo zakudya mu general). Koma izi si zokhazo. Komabe padziko mkati za m'mimba zazing'ono villi. Ndipo pa iwo - ngakhale bwino nyumba - microvilli. Mu villi ali Mitsempha ndi flasks lymph, imene zakudya ambiri.

Maselo kumalumikiza pamwamba mkati ndinazolowera suction unagawanika mamolekyulu chakudya. Mafuta kugwera mu dongosolo lymphatic, ena nkhani - m'magazi. Ndiye - mu chiwindi, amene nthawi kudya chakudya cha shuga m'magazi.

Woonda m'matumbo anthu si chinachake mapulani ali pakhoma Kapangidwe ka wosanjikiza minofu, koma chifukwa zonse amasuntha rhythmically. Zimenezi amatchedwa peristalsis. Ambiri, ndi wochedwa. Zikatero (ndi zoterezi pa mafunde zing'onozing'ono), villi ndi anayambika, amene kumawonjezera chiwerengero cha kukhudzana ndi tinthu chakudya. Padziko intestine ali zamkati wapadera - ndi crypt, iwo kutsegula zosiyanasiyana mitsinje yaing'ono ya zopangitsa m'mimba. ndi intestine onse - n'zomveka kwambiri ndipo n'zovuta m'bungwe dongosolo. Iwo ali zimagwirira ntchito yake ya malamulo, mwachitsanzo, ena zinthu tochoka ndi dera limodzi yotithandiza imene chakudya afika pa.

Monga mbali za m'mimba yaing'ono yagawidwa m'magawo atatu: choyamba, ndi duodenum, ndipo kachiwiri, othina ndi chachitatu, ndi ileum. Chikadzangotha m'mimba chakudya chimakhala acidic kwambiri, chomwe chingathe kukhala akumane kwa mabungwe ena omwe si ndinazolowera chotero pH. Kodi thupi imeneyi? Ndithudi, yapadera soda. Zimenezi n'zimene brunnerovy yomweyo. Neutralization anachita chikuchitika - ndi asidi m'mimba sayambitsa zilonda mu intestine lapansi. The jejunum njira kwenikweni anamaliza chimbudzi, kuthandiza pa khoma limeneli michere.

Chifukwa intestine wamng'ono wotchedwa choncho, dzina ndi chiani? Mfundo awiri ake, poyerekeza ndi m'matumbo izo 3-4 cm - wodzichepetsa kwambiri. Wandiweyani 3 onse, koma amenewa dongosolo akulola intestine ang'ono kugwira ntchito zawo wosakhwima - kuyamwa zakudya. Kale pa mapeto a izo, ileum, thunthu ndi pafupifupi ayi odzipereka okha ya ndulu anabwerera pang'ono kudzera m'magazi chiwindi kudzera mu matumbo khoma. Ndipo mu m'mimba atha "kugula" alionse - kukoka madzi ndi yokwanira.

Monga mukuonera, yaing'ono intestine - zovuta anakonza ulamuliro umene Mzimuyo thanzi kwambiri mwachindunji. Ndipotu, izo zimatengera kuti tikhale olimba, anzeru ndi wokongola kapena ayi. Choncho, tiyenera kulabadira thanzi lawo ndi matumbo mu nthawi kuchitiridwa ngati n'koyenera.