Narkewa a cikin baka rami

Narkewa - wannan wajen rikitarwa tsari, wanda aka rage ga tsagawa manyan kwayoyin sunadarai, fats da hydrocarbons a kan monomers, wanda ana iya tunawa da Kwayoyin da kwayoyin. A sassa daban daban na narkewa kamar fili karya saukar da daban-daban mahadi, wanda aka sa'an nan tunawa da mucous membrane na kananan hanji da kuma yada a ko'ina cikin jiki. Narkewa fara a cikin bakinka.

Kafin la'akari da yadda da narkewa a cikin bakinka, dole ne a kalla a takaicce Masana da tsarin.

A tsarin da baka rami

A haltta za a iya raba baka rami cikin Ƙungiyarku biyu:

• Buccal rami (da sarari tsakanin lebe da kuma hakora).
• A gaskiya na baka rami (hakora iyakance zuwa, kashi, da iska diaphragm bakinka).

Kowane kashi na baka rami na da aikin da yake alhakin wani takamaiman abinci aiki.

Hakora ne da alhakin inji magani daga m abinci. Da taimakon canines da incisors mutumin cizon abinci, sa'an nan kananan molars ta crushes. Aiki molars rage wa shafa kayayyakin.

Harshe - shi ne mai manyan murdede Gabar da dora wa kasa na baka rami. Harshe ba kawai da hannu a cikin aiki da abinci ba, amma a cikin jawabin tsari. Motsi wannan murdede Gabar Mixes powdered abinci tare da yau da kuma Forms bolus. Bugu da ƙari kuma, shi ne dake a cikin harshen nama gustatory, thermal, da kuma inji zafi rabe.

Salivary gland - parotid, submandibular da sublingual gland located a bakin via da bututu. Su main aiki - samar da tukar tumbi da yau, wanda yana da muhimmanci ga narkewa. Yau ayyuka kamar haka:

• Narkewa kamar (yau ƙunshi enzymes da taimakon wanda da tsakiyan nonon carbons).
• M (yau ƙunshi lysozyme, wanda yana da m bactericidal Properties Haka kuma, a cikin yau ne immunoglobulins da coagulation dalilai yau kare baka rami daga bushewa ..).
• Excretory (da yau saki abubuwa irin urea, salts, barasa, wasu kwayoyi).

Narkewa a cikin baka rami: inji lokaci

The baka rami iya shigar da mafi bambancin abinci da kuma dangane da daidaito shi ne ko dai nan da nan canjawa wuri zuwa cikin esophagus a lokacin hadiya yi (drinks, ruwa abinci), ko kuma kara machining, wanda facilitates kara narkewa tafiyar matakai.

Kamar yadda aka ambata a riga, ta yin amfani da abinci hakora niƙa. Harshen motsi da ake bukata a mõtsar da chewed abinci tare da yau. Ƙarƙashin rinjayar yau softens abinci da ya wajaba a tare da gamsai. Mucin, wanda yake kunshe da yau, daukan bangare a cikin samuwar da abinci bolus, wanda baya da ke shiga cikin esophagus.

Narkewa a cikin baka rami: enzymatic lokaci

A abun da ke ciki na yau da wasu enzymes wanda suke da hannu a cikin bazuwar na polymers ana kuma hada. The baka tsakiyan nonon na carbon abin da aka faruwa a cikin kananan hanji.

Yau ya ƙunshi wani enzyme hadaddun kira ptyalin. Ƙarƙashin rinjayar su lalace auku disaccharides zuwa polysaccharides (yawanci ne maltose). Daga bisani maltose rinjayi wani enzyme cleaved ga monosaccharide glucose.

A daina da abinci da yake a cikin bakinka, da kuma saukin kamuwa zuwa enzymatic effects, da sauki da shi ya auku narkewa a duk sauran sassan na ganye fili. Wannan shi ne dalilin da ya sa likitoci ko da yaushe bayar da shawarar idan dai kana iya tauna.

A wannan narkewa a cikin bakin ƙare. Bolus wuce a kan kuma samun tushen harshe yana farawa hadiya reflex aiwatar a wadda abinci wuce a cikin esophagus da baya a cikin ciki.

A takaice, a cikin baka rami faruwa tafiyar matakai kamar nika abinci, da bincike na ta palatability, yau wetting, hadawa, da farko lalata carbohydrates.