Jinin samar da kwakwalwa, hanta da kuma kodan

Wannan labarin ya bayyana wasu daga cikin nuances na jinin samar wa muhimmanci ciki gabobin kamar kwakwalwa, hanta da kuma kodan.

Kwakwalwar jini ya kwarara

Total jini ya kwarara zuwa cikin kwakwalwa ne in mun gwada akai, da kuma tsanani ne high isa. Amma ga gida jini ya kwarara a sassa daban daban na kwakwalwa, shi ne m da tsanani da su aiki. Saboda haka, a lokacin da m aikin gida cerebral jini ya kwarara a cikin ɓawon burodi iya kara biyu zuwa duffai uku idan aka kwatanta da tsanani da jini ya kwarara a sauran.

A cikin sharuddan stiffness da tightness na mutum kwanyar total juriya na cerebral tasoshin zuwa kananan digiri dogara a kan canje-canje a cikin jini. Saboda haka, a lokacin da matsa lamba a cikin jijiyoyi ya auku su fadada, wanda bi da bi qara matsa lamba na sayar da giya, ta outflow rami da laka matsawa jijiyoyinmu. A daidai wannan lokaci da rage a jijiya juriya da kuma kara venous juriya. Saboda haka, cerebral jijiyoyin bugun gini juriya, a general, ya rage kusan canzawa.

Myogenic sakamako a kan cerebral jini ya kwarara aka samar da halayen da santsi tsoka na jini na kwakwalwa zuwa canje-canje a matsa lamba a gare su. Yana nufin da tsakiyar naúrar autoregulyatsionnoy tsarin cerebral wurare dabam dabam.

Ĩkon cerebral jini ya kwarara kula aka dauke a cikin irin ƙarfin lantarki matakin na da jijiya jini carbon dioxide da kuma hade PH matakin na cerebrospinal ruwa.

Rayuwa effects a kan cerebral jini ya kwarara da muhimmanci ga gida redistribution na jini ya kwarara tsakanin kwakwalwa yankunan, a cikin abin da aikin aiki kowane mutum halin da ake ciki yana da wani daban-daban matakin. Lokacin da na gida karuwa a cikin aikin aiki na jijiya Kwayoyin a cikin extracellular matsakaici qara taro na potassium ions da adenosine. Wannan bi da bi sakamakon a gida jijiyoyin bugun gini kara girma, kuma Ya ƙãra jini ya kwarara a tasoshin.

Neurogenic sakamako a kan cerebral jini ya kwarara suna dauke su kasa tasiri fiye da na rayuwa tsari. Babban yankin na aikace-aikace shi ne yankin na cerebral jijiya tasoshin, diamita 25-30 microns. Babban tushen neurogenic effects a kan cerebral jini ya kwarara suna dauke m postganlionarnye fiber. Sun fi mayar da m tsari na aikewa dogara autoregulyatsionnoy ƙarfin lantarki O2 da CO2, fara jijiyoyin bugun gini sautin, taro da kuma abun da ke ciki na ions, da kuma a kan gaban a cerebrospinal ruwa da kuma kwakwalwa nama ilimin aiki abubuwa.

jinin samar da hanta

Kan shiga ƙofar hanta hanta jijiya da kuma jijiya, shi ne rabo a cikin mahara karami tasoshin, tare ko'ina cikin bile bututu. Interlobular jijiya da kuma jijiya da interlobular interlobular bututu nasa ne da ake kira "triad hanta." Lymph nodes suna located kusa. Daga vokrugdolkovyh arteries da jijiyoyinmu capillaries fito daure saboda hanta lobules da kuma tattara abubuwa masu kyau a su periphery, forming intralobular tasoshin. A cewar shi jinin gudanar gauraye a cikin shugabanci na cibiyar segments daga periphery da aka tattara a cikin wani tsakiya jijiya, wanda zai fara a kan krovoottok na yanka a sublobular veins, wanda ya samar da manyan hanta jijiyoyinmu barin.

koda jinin samar

Jijiya, memba na jiki na ƙofar raba cikin jijiyoyi, disintegrating, bi da bi, a kan interlobar jijiya. A iyaka da bawo da medulla, suka wuce a cikin jijiya mikawa arcuately kuma a layi daya zuwa surface na koda. Daga wadannan jijiyoyi bar wani babban yawan bakin ciki interlobular arteries, wanda ake nufi ga jiki surface. Perfusion koda medulla kwashe mike arterioles, arteries tsawaita daga baka. Short kaikaice rassan da interlobular arteries wani bangare ne na glomerular kwantena. Yana rassan wuce a cikin capillary cibiyar sadarwa. Sa'an nan hade da jijiya capillaries da kuma samuwar efferent arterioles.