Qhov twg ntawm cov hauv qab no yog kev ua haujlwm ntawm lub cev tsis muaj zog parasympathetic?
Qhov twg ntawm cov hauv qab no yog kev ua haujlwm ntawm lub cev tsis muaj zog parasympathetic?

Video: Qhov twg ntawm cov hauv qab no yog kev ua haujlwm ntawm lub cev tsis muaj zog parasympathetic?

Video: Qhov twg ntawm cov hauv qab no yog kev ua haujlwm ntawm lub cev tsis muaj zog parasympathetic?
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Cov parasympathetic system Nws yog lub luag haujlwm rau kev txhawb nqa ntawm "so-thiab-digest" lossis "paub thiab yug me nyuam" cov haujlwm uas tshwm sim thaum lub cev so, tshwj xeeb tshaj yog tom qab noj mov, suav nrog kev sib deev arousal, salivation, lacrimation (lub kua muag), tso zis, digestion thiab defecation.

Yog li, dab tsi yog lub luag haujlwm tseem ceeb ntawm lub paj hlwb parasympathetic?

Cov parasympathetic lub paj hlwb yog ib qho ntawm peb pawg ntawm autonomic lub paj hlwb . Qee zaum hu ua tus so thiab zom lawv , cov parasympathetic system txuag lub zog raws li nws slows lub plawv dhia, nce plab hnyuv thiab caj pas, thiab relaxes sphincter nqaij nyob rau hauv lub plab hnyuv ib ntsuj av.

Ib qho ntxiv, dab tsi ua rau lub cev tsis muaj zog parasympathetic? Baroreceptor reflex stimulates tus parasympathetic system . PSNS NWS ua rau so ntawm cov hlab ntsha, txo tag nrho cov peripheral tsis kam. Nws kuj ua rau lub plawv dhia qis. Vim li ntawd, cov ntshav siab rov qab los rau qhov qub.

Tsis tas li ntawd, dab tsi yog lub luag haujlwm ntawm lub paj hlwb thiab lub paj hlwb parasympathetic?

Parasympathetic nervous system (PNS) tswj homeostasis thiab lub cev thaum so thiab muaj lub luag haujlwm rau lub cev "so thiab zom" ua haujlwm. Lub sympathetic nervous system (SNS) tswj lub cev cov lus teb rau qhov kev hem thawj pom thiab yog lub luag haujlwm rau "sib ntaus lossis ya" teb.

4 parasympathetic ganglia yog dab tsi?

Muaj plaub parasympathetic ganglia nyob hauv lub taub hau - ciliary, otic, pterygopalatine thiab submandibular. Lawv tau txais cov fibers los ntawm oculomotor, lub ntsej muag thiab lub ntsej muag glossopharyngeal qab haus huv (lub paj vagus tsuas yog sab hauv cov qauv hauv lub hauv siab thiab lub plab).

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