Hauv lub cev twg yog Chyme sib xyaw nrog kua txiv pancreatic thiab kua tsib?
Hauv lub cev twg yog Chyme sib xyaw nrog kua txiv pancreatic thiab kua tsib?

Video: Hauv lub cev twg yog Chyme sib xyaw nrog kua txiv pancreatic thiab kua tsib?

Video: Hauv lub cev twg yog Chyme sib xyaw nrog kua txiv pancreatic thiab kua tsib?
Video: xav cheem wb lub noob nyoog by tsom xyooj 2021 2024, Tej zaum
Anonim

Cov duodenum yog cais los ntawm cov plab los ntawm cov pyloric sphincter uas qhib kom tso cai rau chyme txav los ntawm plab mus rau duodenum . Hauv duodenum , chyme yog tov nrog pancreatic kua txiv nyob rau hauv ib qho alkaline tov nplua nuj nyob rau hauv bicarbonate uas neutralizes acidity ntawm chyme thiab ua raws li ib tug tsis.

Hais txog qhov no, Chyme cuam tshuam nrog kua txiv pancreatic nyob qhov twg?

Cov txiav txiav tsim cov enzyme- thiab bicarbonate-nplua nuj kua txiv pancreatic thiab xa nws mus rau txoj hnyuv me los ntawm ducts. Pancreatic kua txiv buffers acidic plab kua txiv hauv xim , inactivates pepsin los ntawm lub plab, thiab ua kom pom kev ua haujlwm zoo ntawm cov zom zaub mov hauv cov hnyuv me.

Ib yam li ntawd, cov kua txiv pancreatic nyob qhov twg? Kev txhais lus ntawm Pancreatic kua txiv Nws yog nyob hauv qab ntawm lub plab, tom qab plab. Lub taub hau ntawm txiav txiav yog nyob sab xis ntawm lub plab. Nws txuas nrog lub duodenum, qhov kawg ntawm txoj hnyuv me.

Tom qab ntawd, nyob rau hauv qhov twg ntawm cov kwj dej kais dej yog Chyme tov nrog kua txiv pancreatic thiab kua tsib?

Lub duodenum yog luv luv ntu ntawm txoj hnyuv me nyob nruab nrab ntawm lub plab thiab seem ntawm txoj hnyuv me. Lub duodenum kuj tseem tsim cov tshuaj hormone secretin los txhawb lub zog mob pancreatic tso zis ntau ntawm sodium bicarbonate, uas ces tsa pH ntawm lub xim rau 7.

Cov enzyme twg cuam tshuam cov tshuaj tiv thaiv ntawm lactose rau hauv qabzib thiab galactose?

lactase

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