Vegetative reflexes: lawv hom thiab qhov tseem ceeb rau tib neeg lub cev

Cov txheej txheem:

Vegetative reflexes: lawv hom thiab qhov tseem ceeb rau tib neeg lub cev
Vegetative reflexes: lawv hom thiab qhov tseem ceeb rau tib neeg lub cev
Anonim

Nws tsis yooj yim rau kev xav txog cov qauv ntawm lub paj hlwb rau tus neeg uas tsis muaj dab tsi ua nrog tshuaj lossis biology. Tab sis muaj tseeb cov neeg feem coob paub tias muaj lub hauv paus paj hlwb, uas lub paj hlwb thiab peripheral paj hlwb koom. Nws muaj tus txha caj qaum, uas, nrog kev pab ntawm cov hlab ntsha, txuas nrog tag nrho cov ntaub so ntswg thiab qhov chaw ntawm lub cev thiab tswj lawv cov kev sib cuam tshuam.

reflexes ntawm autonomic paj hlwb
reflexes ntawm autonomic paj hlwb

Function ntawm autonomic reflexes

Ua tsaug rau cov hlab ntsha qaum, tus txha caj qaum xa cov ntaub ntawv hais txog lub xeev ntawm sab hauv thiab sab nraud ib puag ncig mus rau lub hlwb thiab rov ua dua. Muaj kev sib raug zoo ntawm lub hauv nruab nrab thiab lub paj hlwb peripheral, uas ua kom lub cev ua haujlwm ntawm tag nrho lub cev.

autonomic reflexes
autonomic reflexes

Lo lus "reflex" los ntawm lo lus Latin reflexus - cuam tshuam - cov tshuaj tiv thaiv ntawm ib yam kabmob mus rau qhov tshwj xeeb, nrog kev koom tes ntawm lub paj hlwb. Xws li somatic thiab vegetative reflexes yog cov yam ntxwv ntawm ntau cov kab mob,muaj lub paj hlwb.

Reflex arc

Tshwj xeeb receptors - proprioceptors - nyob rau hauv cov leeg, leeg, ligaments, periosteum. Lawv tsis tu ncua xa cov ntaub ntawv mus rau lub hlwb txog kev cog lus, nro thiab txav ntawm qhov sib txawv ntawm cov leeg musculoskeletal. Lub hauv paus paj hlwb, tsis tu ncua ua cov ntaub ntawv, xa cov cim rau cov leeg, ua rau lawv cog lus lossis so, tswj lub cev xav tau. Qhov no ob txoj kev ntws ntawm impulses yog hu ua reflex arc. Reflexes ntawm lub paj hlwb autonomic tshwm sim tau, uas yog, lawv tsis tswj los ntawm kev nco qab.

Somatic autonomic reflex arc
Somatic autonomic reflex arc

Reflex arcs raug lees paub hauv lub paj hlwb peripheral:

• vegetative reflexes - neural chains of internal organ: siab, raum, plawv, plab, hnyuv;

• somatic reflexes - neural circuits npog cov leeg pob txha.

Qhov feem ntau reflex arc ntawm somatic vegetative reflex yog tsim los ntawm kev pab los ntawm ob lub neurons - lub cev muaj zog thiab kev xav. Nws suav nrog, piv txwv li, lub hauv caug jerk. Feem ntau ntau tshaj 3 neurons koom nrog hauv reflex arc - lub cev muaj zog, kev xav, thiab intercalary. Nws tshwm sim thaum tus ntiv tes pricked nrog ib rab koob. Qhov no yog ib qho piv txwv ntawm tus txha caj qaum reflex, nws arc dhau los ntawm tus txha caj qaum yam tsis muaj kev cuam tshuam rau lub hlwb. Xws li ib tug arc ntawm lub autonomic reflex tso cai rau ib tug neeg tuaj yeem teb rau sab nraud stimuli, piv txwv li, rub nws txhais tes tawm ntawm qhov chaw ntawm qhov mob, hloov qhov loj ntawm cov menyuam kawm ntawv, raws li cov tshuaj tiv thaiv rau lub brightness ntawm lub teeb. Nws kuj pabKev tswj cov txheej txheem tshwm sim hauv lub cev.

autonomic reflex arc
autonomic reflex arc

Txhob Cia Siab

Peb tab tom tham txog ib txwm tus txha caj qaum autonomic reflexes yam tsis muaj kev koom tes ntawm cerebral cortex. Ib qho piv txwv yuav yog kov ib txhais tes rau ib yam khoom kub thiab rub nws rov qab sai sai. Nyob rau hauv cov ntaub ntawv no, lub impulses mus raws lub paj hlwb mus rau tus txha caj qaum, thiab los ntawm qhov ntawd raws li lub cev muaj zog neurons tam sim ntawd rov qab mus rau cov leeg. Ib qho piv txwv ntawm qhov no yog unconditioned reflexes: hnoos, txham, blinking, flinching. Cov kev txav uas cuam tshuam nrog kev tshwm sim ntawm kev xav feem ntau muaj tus cwj pwm tsis txaus ntseeg: nrog kev npau taws, tsis muaj peev xwm clenching ntawm cov hniav los yog clenching ntawm nrig; luag ntxhi los yog luag ntxhi.

somatic thiab autonomic reflexes
somatic thiab autonomic reflexes

Yuav ua li cas reflexes subdivided

Cov kev faib tawm hauv qab no ntawm kev xav tau txawv:

  • raws li lawv lub hauv paus;
  • view receptor;
  • biological muaj nuj nqi;
  • nyuaj hauv kev tsim lub reflex arc.

Muaj ntau hom, lawv faib raws li hauv qab no.

1. Los ntawm keeb kwm, lawv paub qhov txawv: unconditional thiab conditional.

2. Raws li tus receptor: exteroceptive, uas suav nrog tag nrho cov kev xav; interoceptive, thaum receptors ntawm cov khoom nruab nrog cev raug siv; proprioceptive siv receptors hauv cov leeg, pob qij txha thiab tendons.

3. Los ntawm efferent links:

  • somatic - skeletal leeg cov tshuaj tiv thaiv;
  • vegetative reflexes - kev cuam tshuam ntawm cov kab mob hauv nruab nrog cev: secretory, digestive, cardiovascularvascular.

4. Raws li lawv cov dej num, reflexes yog:

  • tiv thaiv;
  • sexual,
  • qhia.

Yuav kom siv cov kev xav tsis zoo, kev txuas ntxiv ntawm txhua qhov txuas ntawm arc yuav tsum tau ua. Kev puas tsuaj rau txhua tus ntawm lawv ua rau poob ntawm reflex. Nrog rau kev hloov pauv ntawm lub ntiaj teb ib puag ncig thaum lub neej, kev sib txuas ua ke tau tsim nyob rau hauv lub cortex ntawm tib neeg hemispheres, uas yog lub hauv paus ntawm feem ntau tus cwj pwm thiab kev txawj ntse tau txais thaum lub neej.

Nervous system hauv me nyuam

Thaum piv nrog lwm lub cev lub cev, tus menyuam lub paj hlwb thaum yug los yog qhov tsis zoo tshaj plaws, thiab tus menyuam tus cwj pwm yog ua raws li kev xav hauv lub cev. Nyob rau hauv thawj lub hlis ntawm lub neej, feem ntau ntawm cov vegetative reflexes pab tus me nyuam teb rau stimuli los ntawm ib puag ncig thiab hloov mus rau tej yam kev mob tshiab ntawm lub neej. Thaum lub sij hawm no, nqus thiab nqos reflexes yog qhov tseem ceeb tshaj plaws, vim lawv txaus siab rau qhov kev xav tau tseem ceeb tshaj plaws ntawm tus menyuam mos - khoom noj khoom haus. Lawv tshwm sim ntxov li 18 lub lis piam ntawm kev loj hlob ntawm fetal.

Nyob rau hauv reflexes

Yog tus me nyuam tau pacifier lossis lub nrig, nws yuav nqus txawm tias nws tsis tshaib plab. Yog tias koj kov lub ces kaum ntawm tus menyuam daim di ncauj, nws yuav tig nws lub taub hau mus rau qhov kev taw qhia no, thiab qhib nws lub qhov ncauj nrhiav nws niam lub mis. Qhov no yog kev tshawb nrhiav reflex. Nws tsis tas yuav tsum tau hu ua tshwj xeeb: txhua zaus nws tshwm sim thaum tus menyuam tshaib plab, thiab leej niam yuav pub nws noj. Yog tias tus menyuam yug tshiab tso rau ntawm nws lub plab, nws yuav tig nws lub taub hau mus rau sab. Qhov no yog kev tiv thaiv reflex. Niam txivnws paub zoo tias tus me nyuam rub thiab tuav ib qho khoom tso rau hauv nws lub xib teg. Xws li ib tug reflex grasping ntawm ib yam khoom yog ib tug manifestation ntawm grasping reflex. Kev nkag siab tiag tiag ntawm cov khoom yuav tshwm sim me ntsis tom qab - ntawm 3-4 lub hlis.

reflex arcs ntawm autonomic reflexes
reflex arcs ntawm autonomic reflexes

Muaj qhov nthuav qhia hu ua - palmar-qhov ncauj, lossis Babkin's reflex. Nws muaj nyob rau hauv qhov tseeb tias yog koj nias koj tus ntiv tes rau ntawm tus me nyuam xib teg ntawm thaj tsam ntawm tus ntiv tes xoo, nws yuav qhib nws lub qhov ncauj.

Tsis siv neeg nkag thiab taug kev ntawm cov menyuam yaus - hom kev xav

Ib tug me nyuam thawj peb lub hlis tuaj yeem nkag tsis tau. Yog tias koj muab nws tso rau ntawm nws lub plab thiab kov cov ntiv taw nrog koj xib teg, nws yuav sim nkag mus rau pem hauv ntej. Qhov no yog qhov tsis siv neeg crawl reflex. Nws kav ntev txog 2-3 lub hlis, thiab muaj peev xwm nkag siab zoo hauv tus menyuam yuav tshwm sim tom qab. Yog tias koj coj tus me nyuam los ntawm qab ntawm lub caj dab, txhawb nqa nws lub taub hau nrog koj cov ntiv tes taw, thiab kov nws txhais taw rau saum lub rooj, nws yuav ncaj nws ob txhais ceg thiab sawv nrog nws txhais taw ntawm lub rooj. Yog hais tias nyob rau tib lub sij hawm qaij rau pem hauv ntej me ntsis, nws yuav sim taug kev, thaum nws ob txhais tes nyob twj ywm motionless. Qhov no yog qhov kev txhawb nqa ntawm kev txhawb nqa thiab tsis siv neeg taug kev, uas ploj mus thaum muaj hnub nyoog peb hlis.

Kev paub nrog qee qhov kev hloov pauv tsis tu ncua uas tus menyuam muaj txij thaum yug los yuav pab cov niam txiv pom qhov sib txawv hauv kev loj hlob neuropsychic thiab nrog kws kho mob. Qhov no yog qhov tseeb tshwj xeeb tshaj yog rau cov menyuam mos ntxov ntxov, lawv cov kev xav tsis zoo tuaj yeem ua rau tsis muaj zog. Yog tias cov niam txiv xav sim qee qhov ntawm lawv tus menyuam qhov kev xav, lawv yuav tsumNco ntsoov tias qhov no tuaj yeem ua tiav thaum nws tsaug zog thiab zoo siab, qee lub sijhawm tom qab pub mis. Nws tseem yuav tsum nco ntsoov tias tus me nyuam lub paj hlwb yog tus cwj pwm los ntawm kev qaug zog, yog li nws yuav tsis qhib nws lub qhov ncauj, nkag los yog taug kev ntau zaus ua ke raws li qhov kev thov ntawm nws niam nws txiv.

Reflexology

Ntau txoj kev siv tshuaj kho mob tam sim no tau siv los ntawm cov kws kho mob ua ib qho tseem ceeb ntxiv rau kev kho mob. Ib qho ntawm cov txheej txheem no yog reflexology. Qhov no ancient txoj kev ntawm ko taw massage nyob rau hauv lub fact tias nyob rau hauv lawv, raws li zoo raws li ntawm ob txhais tes, muaj cov ntsiab lus reflex txuam nrog lub cev ntawm lub cev. Raws li cov kws kho mob reflexologists, cov kev taw qhia siab ntawm cov ntsiab lus no tuaj yeem txo qhov nro, txhim kho cov ntshav khiav, thiab tshem tawm lub zog ntawm qee cov paj hlwb nkag mus rau hauv lub cev, cuam tshuam, piv txwv li, nrog mob nraub qaum.

autonomic reflex muaj nuj nqi
autonomic reflex muaj nuj nqi

Ntau tus neeg mob thov tias qhov kev zaws no ua rau kev so, thiab vim li ntawd, nws txo qis kev ntxhov siab thiab muab cov nyhuv analgesic. Txawm li cas los xij, lub hauv paus theoretical ntawm reflexology tsis tau kawm tiag, thiab cov kws kho mob feem ntau tsis ntseeg nws qhov kev kho mob loj.

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