Nā liʻiliʻi o ka ke kanaka a me kona'anatomia

Kanaka liʻiliʻi o kekahi hapa o ka digestive'āpana, a hoʻomaka ma ka pylorus a me ka welau a me ka hope puka. Ma ia ke kino, he mea i ka hoʻokolokolo pono digestion o ka ai, a me ka omo o ka pau kona oihana mua. Ua E hoi e hoʻomaopopo i ka intestinal hui, he nui kūlana i loko o ke kino o ka'ōnaehana paleʻea kahua Radio.

Where o ka naʻau liʻiliʻi i loko o kānaka? Hōʻike hui, aia i loko o ka abdominal wahi (ma ka lalo) a lawe ia loa. E like me ua ikeia, o ka huina o ka loa o ka kanaka liʻiliʻi mea e pili ana eha mika (me ke ola) a ma kahi o 500-800 kenimika ma hope o ka make. Ma nā pēpē i, ka lōʻihi o ke kino loli aʻe mai 340 kenimika i 360 i ka pau ana o ka makahiki mua o ke ola, ka mea maoli ma ka hola 50% a aku i ka ulu ana o ke keiki 6-7 manawa.

Anatomia o ke kanaka naʻau liʻiliʻi

Ke kulana, shape a me ka 'ole o ke kino loli i maturation. Ka nui nui o ka ulu ana ike i loko o ka manawa, mai ka makahiki mua i ka 3 makahiki. O ke kumu ho i ka mea i ke keiki i nā lilo i ka poʻe'ē he nohona maʻai.

Anatomically, ke kanaka naʻau liʻiliʻi ua maheleia i loko o ka papa i kēia:

• lahilahi;
• loa.

First Hoʻohana ka hapa o ka digestive'ōnaehana i ua manaʻo ma waena o ka AeXIeAaOIePEAaI a me ka'ōpū. Ma keia kino e hele mai i ka papa kuhikuhiE keʻano o ka hanaʻana o ka digestion. Kona inoa uuku liʻiliʻi koi i ka mea emi waiwai nui ma mua o nui liʻiliʻi pa kona pā pōhaku. Eia hou, i ka nahā i, a me ka lua o ke kino, hoi, Ua oi aku ka li.

I huli ai oe, i ka lahilahi kanaka liʻiliʻi ua maheleia i loko o ka kēia Hoʻohana:

• 12 tiperstnoj liʻiliʻi;
• menina;
• ileum.

Ke nui liʻiliʻi o ka haʻahaʻa hopena hapa o ka digestive'āpana. Ua Ua omo ai e hoʻopā ai ka loli a me ke kahua o fecal chyme. Kēia inoa i loaa i ka naʻau liʻiliʻi ma muli o ia i ka mea e, ua nui ka pūhaka o na paia o ka mua kāleka kona pā pōhaku. Ua mea waiwai 'ana i kumumanaʻo ana ia i ka ikaika, i ka mana i ka ukuia e Muscle a connective'aʻaʻa, ahu iho. Ke anawaena o ka AeXIeAaOIePEAaI a me kona loko lumen (lua) Ua hoi nui ma mua o ka mea uuku liʻiliʻi.

Ka nui liʻiliʻi o ka ke kanaka hiki ke maheleia i na kēia Hoʻohana:

• Makapo a me vermiform i paiiaʻi (i paiiaʻi);
• AeXIeAaOIePEAaI liʻiliʻi me ka kuokoa Branch;
• AeXIeAaOIePEAaI piʻi AeXIeAaOIePEAaI;
• transverse AeXIeAaOIePEAaI liʻiliʻi;
• AeXIeAaOIePEAaI e iho mai ana AeXIeAaOIePEAaI;
• sigmoid;
• pololei mai ka widest loa, ampoules, a me ka tapered hopena - loira Canal, a welau a me ka anus.

Ke Ana o ka papa naʻau liʻiliʻi

Ka lōʻihi o kaʻuʻuku liʻiliʻi loli aʻe i loko o ka laulā 160-430 knm. E like me ka rula, o ka wahine kino i mea kekahi pōkole. Ke anawaena o ka kino o 30-50 mm o. Ka lōʻihi o ka naʻau liʻiliʻi nui ka puni 1.4-1.6 mau mika. Kona anawaena mea like i ka pauku loiloi mua o 7-10 kenimika, a caudally - 4-6.

Ke mucosa o ke kino o kekahi mau-outgrowths villi i papahana i loko o ka lua liʻiliʻi. Per huinahalike millimeter o ka ili o ka naʻau liʻiliʻi villi hoike no ka hola 20-40.