Yaya tsarin jini na doki yake

dawakai

A cikin labarin na A yau muna gaya muku game da ɗayan mahimman abubuwa ga kowane mai rai: tsarin jijiyoyin jini. Kuma musamman na equines.

Masana ilimin halittu wadanda kwararru ne a cikin wadannan dabbobin sun bayyana cewa za'a iya samun nau'in dawakai kusan 300 daban. Kowane nau'in yana da halaye na musamman musamman a bayyanar su ta dabba, amma dangane da aiki na jiki duka yana daidai da haɓaka kuma yana aiki ta hanya iri ɗaya ta hanyar kasancewa daga jinsin duniyar dabbobi. Sabili da haka, game da tsarin jujjuyawar su, ba tare da la'akari da nau'in ba, abin da zaku iya ganowa a cikin labarin ya dace da duk dawakai, duk nau'in su.

Shin mun san dan kyau wannan bangaren jikin wadannan dabbobi masu ban mamaki?

Aikin tsarin jini yana da kama da na mutane da sauran dabbobi masu shayarwa. DATsarin jijiyoyin jini ya kunshi tsarin zuciya da jijiyoyin jini, wanda aka kirkira ta zuciya da hanyoyin da jini ke zagayawa, kuma ta hanyar tsarin kwayar halitta. Babban ginshikin tsarin magudanar jini shine zuciya, wanda ke kula da harba jini zuwa dukkan sassan jiki ta jijiyoyi, jijiyoyin jiki da kumburin jini. A gefe guda kuma, ana samun tsarin kwayar halittar ne ta hanyar kayan kwayayen kwayata, ta hanyar kwayar lymph da gabobi biyu: saifa da thymus. Shine ke kula da garkuwar jikin dan adam.

tsarin jijiyoyin jini na doki

Tushen: pinterest

Tsarin zuciya da jijiyoyin jini

Wannan tsarin shine ke kula da yadawa da yada jini domin ya shayar da jikin duka. A matsakaiciyar girman doki yana da kusan lita 9 na jini a jikinka Jini yana da mahimmanci a matsayin jigilar abubuwa masu mahimmanci ga jiki kamar: abinci, iskar oxygen, kwayoyin halittar garkuwar jiki, da sauransu. Kuma hakan yana taimakawa tsarkake jiki ta hanyar safarar sharar gida ko kuma carbon dioxide. Kamar dai wannan bai isa ba, yana da alhakin daidaita yanayin zafin jikin.

Wannan tsarin Tana da da'irori guda biyu, daya yana da alhakin rufe yankin huhu kuma dayan yana daukar jinin zuwa sauran jikin. Duk da'irorin zagaye ne, suna farawa kuma suna ƙarewa a cikin zuciya.

Waɗannan da'irorin suna gabatar da samfurin dangane da wuraren da jini yake wucewa: zuciya, jijiyoyin jini, jijiyoyin jini, cibiyar sadarwar da ke kwance, jijiyoyin jiki, jijiyoyin jiki da zuciya.

El huhu na huhu shine ke da alhakin yin musayar gas a cikin huhu. Gudun jini a cikin yankin huhu yana taka muhimmiyar rawa wajen ciyar da abubuwan da aka tsara na huhu, sake gina ƙwayoyin huhu da rarraba oxygen da jiki ya ɗauka.

Zuciya

Zuciyar ta kunshi kayan tsoka kuma tana wakiltar wata siffa mafi kusa a yanayin rayuwar dan adam. Zuciyar babban doki na iya auna kimanin kilo 3,5. Kamar yadda yake a cikin sauran dabbobi masu shayarwa, zuciyar dawakai kunshi ramuka guda hudu: ventricles biyu, wadanda sune suke motsa jini, da atria biyu, daya daga cikinsu yana karbar jini daga huhu daya kuma daga sauran sassan jikin.

An shirya zuciya tsakanin sararin samaniya na biyu da na shida a cikin kwatankwacin.

Mun yi magana game da nau'ikan bututun da ke cikin tsarin jijiyoyin, za mu kallesu a yanzu da dan kara kulawa daban-daban.

Jijiyoyin jini

Su bututun ruwa ne wannan dauke jini daga zuciya zuwa sauran gabobin cikin jiki. Su bututu ne masu kauri tunda dole ne su tsayayya da hawan jini da bugun zuciya ya haifar. A cikin jijiyoyin akwai rarrabuwa daban-daban wadanda kawai zamu ambata a cikin wannan labarin, kuma sune: manya ko na roba, matsakaici ko murdede, da kanana ko jijiyoyi.

Kafurai

Capillaries ne ƙananan ƙananan jini. A cikinsu, musayar kwayoyin yana gudana tsakanin ƙwayoyin ƙwayoyin halitta da jini.. An tsara su cikin rukuni wanda ake kira hanyoyin sadarwar jijiyoyi, wadanda suke da fadi sosai kuma suna rufe dukkan gabobi.

Jijiyoyi

Suna da tsari kwatankwacin na jijiyoyin jini kuma ana rarraba su gwargwadon girman su zuwa: manyan jijiyoyi, matsakaitan jijiyoyi da jijiyoyin jini ko ƙananan jijiyoyi. Jijiyoyin matsakaici, wadanda suke kusan 10 mm, sune suka fi yawa.

Jijiyoyin Su ke da alhakin ɗaukar jini daga abubuwan da ke gudana zuwa jini. Shin waɗancan ne gabaɗaya suna jigilar sharar gida da carbon dioxide. Akwai wasu keɓaɓɓu irin su jijiyoyin huhu da ke gudanar da iskar oxygen don rarraba shi.

Tsarin lymphatic

Magungunan Lymphatic suna ɗauke da lymph, wani ruwa ne wanda ake tarawa a cikin kayan ciki da gabobin cikin jiki kuma a ajiye su a cikin manyan jijiyoyi.

Tsarin kwayar halitta shine mai kula da kiyaye daidaiton ruwa ta hanyar zubda ruwan da ke tsakanin magabata zuwa jini, shi ma yana da alhakin rigakafi ga yi aiki a matsayin matattara kan ƙwayoyin cuta daban-daban wanda ke shiga cikin jiki kuma don haka tabbatar da kariya ta jiki. Hakanan yana taimakawa tsarin jijiyoyin zuciya ta sarrafa hawan jini da jijiyoyin jini.

Idan wannan tsarin yayi aiki ba daidai ba ko kuma ya tabarbarewa, cutar kutse da ake kira lymphangitis ta bayyana.

Lifangitis na iya zama miki (cututtukan cututtukan ƙwayoyin cuta) ko epizootic (fungal mai saurin yaduwa).

Organsananan gabobi guda biyu sun shigo cikin sifa a cikin tsarin kwayar halitta. Wanda muke so mu fada dan kadan.

Saifa

Shine mafi girman kayan kwayar halitta kuma shine mai kula da ayyukan rigakafi da hematopoietic. Tsarin jini sosai yake shayar dashi, yana cire jajayen ƙwayoyin jini daga zagayawa kuma yana riƙe da ƙwayoyin jini tare.

Timo

Wannan gabobin bilobed, wanda yake kusa da zuciya, ana bayar dasu ta hanyoyin jini. Shin nasa babban aiki daga haihuwa zuwa lokacin balaga kuma a nan ne T lymphocytes ke girma.

A ƙarshe, muna son ƙaddamar da ƙaramin sashi don mahimmancin gwajin asibiti na dawakanmu, tunda Kodayake raunin zuciya a cikinsu ba ya bayyana kamar yadda yake a cikin sauran jinsunan dabbobi masu shayarwa, akwai raunuka da yawa masu mahimmanci waɗanda dole ne a bincikar su daidai. Sabili da haka, ana ba da shawara ga ƙwararriyar mai duba dokinmu lokaci-lokaci.


Abubuwan da ke cikin labarin suna bin ka'idodinmu na ka'idojin edita. Don yin rahoton kuskure danna a nan.

Kasance na farko don yin sharhi

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