Cov paj hlwb twg yog lub luag haujlwm rau cov kua qaub?
Cov paj hlwb twg yog lub luag haujlwm rau cov kua qaub?

Video: Cov paj hlwb twg yog lub luag haujlwm rau cov kua qaub?

Video: Cov paj hlwb twg yog lub luag haujlwm rau cov kua qaub?
Video: Huab Vwj & Celesna Lor- Qhov Tawv Tawv-Nkauj Tawm Tshiab 2024, Lub rau hli ntuj
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Autonomic Tswj

Cov qaub ncaug yog tsim thiab zais los ntawm cov qog qaub ncaug ntawm lub cev. Cov qog no nyob rau hauv kev tswj ntawm lub autonomic paj hlwb , muaj xws li sympathetic thiab parasympathetic paj fibers.

Hauv qhov no, dab tsi cranial paj nkoos salivary secretions?

Glossopharyngeal (IX)

Tsis tas li ntawd, kev tswj cov kua qaub tso zis li cas? secretion ntawm qaub ncaug yog nyob rau hauv kev tswj hwm ntawm autonomic lub paj hlwb, uas tswj ob lub ntim thiab hom ntawm qaub ncaug secreted . Parasympathetic stimulation los ntawm lub hlwb, raws li tau zoo pom los ntawm Ivan Pavlov, ua rau kom zoo heev. zais cia , nrog rau nce ntshav ntws mus rau qaub ncaug qog.

Ib tug kuj yuav nug, dab tsi paj tswj salivation?

Yog li ntawd, cranial paj VII yog lub luag haujlwm rau lub ntsej muag xws li luag ntxhi, yog li qhov laj thawj yog vim li cas nws thiaj li hu ua lub ntsej muag paj! Nws tseem ua rau sab hauv cov qog ua kua rau quaj, salivary qog rau salivation, thiab saj qab ntawm pem hauv ntej ntawm koj tus nplaig rau saj qhov qab zib yeej!

Qhov twg ntawm lub hlwb tswj cov qaub ncaug hauv qhov ncauj?

Cov ib feem ntawm lub hlwb lub luag haujlwm rau qhov no qaub ncaug reflex yog medulla oblongata uas tswj ntau yam haujlwm los ntawm txham mus rau ntuav. Thaum tau txais cov kev txhawb siab no, medulla oblongata xa cov neurotransmitters mus rau cov qog kom tsim tau qaub.

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