The m juyayi tsarin da ayyuka

A autonomic juyayi tsarin, wanda kuma ake kira autonomic, yana da dama raka'a ko sassa. Daya daga cikinsu - da m juyayi tsarin. A rabo a cikin sassan dogara ne a kan aikin da morphological halaye. Wani subspecies ne parasympathetic juyayi tsarin.

A rayuwa na wani rai kwayoyin juyayi tsarin aikin mai fadi da kewayon siffofin da ta sa shi a sosai babban muhimmanci. By kanta, da tsarin ne hadaddun, kuma yana da dama sassa da kuma subspecies, kowanne daga abin da daukan kan wasu daga cikin ayyuka. Mafi ban sha'awa shi ne cewa na farko da irin wannan abu a matsayin m juyayi tsarin bayyana a cikin 1732. Asali, ajalin da aka amfani da su bayyana dukan autonomic juyayi tsarin. Amma a matsayin tara ilmi na kimiyya, da masana da suka gane cewa a nan ya ta'allaka ne da yafi m Layer, don haka wannan ra'ayi fara koma zuwa daya kawai subspecies.

Idan muka yi la'akari da takamaiman dabi'u, aka same shi da cewa m juyayi tsarin aikin quite ban sha'awa ayyuka ga jiki - shi ne alhakin da amfani da albarkatun, kazalika da janyo ra'ayoyin jama'a da sojojin a gaggawa yanayi. Idan da bukatar taso, da m tsarin qara kashe kudi na makamashi, don haka jiki iya ci gaba da aiki kullum da kuma yi ta ɗawainiya. Idan muka magana game da boye da dama da kuma albarkatun, muna nufin daidai cewa. A kan yadda tsarin zai rike shi, zai dogara ne a kan yanayin da jiki.

Duk da haka, duk da wannan ne mai karfi da danniya ga jiki, don haka dogon cikin wannan yanayin, shi ba zai iya aiki. A nan ya zo a parasympathetic tsarin, wanda yana da aiki na albarkatun da su maido jari, don haka da cewa daga baya mutumin ya iya yin wannan ayyuka, amma ta siffofin ba su taƙaita. A m da kuma parasympathetic juyayi tsarin ba da damar al'ada aiki na jikin mutum a yanayi daban-daban. Sun yi aiki inseparably da kuma ci gaba da gaba da juna.

ilimin Halittar Jiki na'urar

The m juyayi tsarin ne quite hadaddun da branched tsarin. A tsakiyar ɓangare aka located a cikin laka da kuma periphery ta haɗu daban-daban ganglia da kuma karshen a cikin jiki. A gaskiya m jijiya endings suna da alaka a yawa innervated kyallen takarda a cikin plexus.

da tsarin da aka kafa ta periphery da dama azanci shine afferent neurons a kan wanda takamaiman tafiyar matakai sharar gida. Su suna cire daga laka da kuma girbe, yafi a prespinal da paravertebral nodes.

The aiki na m tsarin

Kamar yadda aka ambata a baya, da m tsarin da aka cikakken kunna a stressful yanayi. A wasu kafofin shi ne ake kira mai amsawa m juyayi tsarin, saboda shi ya ba da wasu jiki ta mayar da martani ga halin da ake ciki, kafa daga waje.

A wannan batu a cikin adrenal gland shine yake fara nuna adrenaline, wanda shi ne babban abu da damar mutane ga mafi alhẽri kuma amsa wa stressful yanayi sauri. Duk da haka, a irin wannan halin da ake ciki na iya faruwa a lokacin motsa jiki, a lokacin da saboda a saki adrenaline wani mutum zai fara zuwa jimre da shi mafi alhẽri. adrenaline mugunya kara habaka da mataki na m tsarin, wanda zai fara zuwa "samar" da albarkatun domin karin kuzari saboda kawai adrenaline stimulates daban-daban gabobin da hankula, amma a zahiri bai mallaki hanya.

Effect a jiki ne high isa, saboda sa'an nan mutum yana fuskantar gajiya, wani rauni, kuma haka a, dangane da yadda za dogon yi adrenaline sakamako da kuma tsawon lokacin da m tsarin ciyarwa albarkatu, don tallafa wa aikin na jiki a wannan matakin.