A tsarin da zuciya

Ba asiri da cewa zuciya - babban sashin jiki a cikin jikin mutum. Ko da yake abin da mutane, na ayyuka na zuciya da aka nuna a matsayin ranar da ciki jiha da kuma na waje form. Zuciya - ci gaba da aiki m engine, wanda farashinsa tasoshin girma adadin jini. Single-gefe kwarara daga jini an tabbatar zuciya bawuloli, wanda aka bude a karkashin matsin a daya shugabanci. The zuciya tsoka kwangila daidai kuma a fili, jin wuce yarda da manyan obalodi. Duk da ransa zuciyar ɗan adam aiki ci gaba, wanda a gaskiya yana goyan bayan wannan rayuwa.

Constant motsa jiki azuzuwan ko motsa jiki da sa zuciya aiki tukuru, da kuma yadda wani sakamako na zuciya tsoka da aka shãfe haske. Duk da haka, kamar yadda iya aiki ne ya karu ventricles. Idan zuciya tsoka ne gaji daga aikin da ba zai iya cimma dukan jini shiga cikin kogo iya ci gaba congestive zuciya kara girma da kuma zuciya rashin cin nasara. Don fi gane wadannan matakai, shi wajibi ne don shiga cikin irin wannan abu a matsayin "tsarin da zuciya."

A waje tsarin da zuciya

Yawancin lokaci, a lokacin da kalmar "zuciya" mutum shayi a kananan mulufi zuciya soke da kibiya Cupid. Duk da haka, idan irin wannan ra'ayi, shi ne ainihin al'amarin? Hakika ba.

Zuciya siffofi - mazugi, mĩƙe a anteroposterior shugabanci. A tsarin da zuciya yakan haifar da bambanci tsakanin tushe da kuma saman. Base - Extended part cewa directed ga dama, har da dan kadan da baya, babba - ƙananan Tapered rabo, bi da bi, directed zuwa hagu, saukar da dan kadan a gaba.

A surface na wannan jikin mu iya gane yawa daban-daban protrusions da GROOVES cewa samar jini. The most of su suna da nasu sunayen. Wannan, misali, coronal sulcus, wanda kara transversely da axis na zuciya da kuma na waje delimitation akan ventricles da atria. Bugu da kari, da farfajiya na zuciya yana da wani raya da kuma gaban interventricular GROOVES - external ãyõyin na ramin zuciya kan iyakoki. Ga kuma karya da zuciya tasoshin. Don duk, akwai biyu growths a farfajiya na zuciya - da atria kunnuwa.

A ciki tsarin da zuciya

Ciki da zuciya shi ne mafi wuya. Abu na farko da ya kamata ka kula da nazarin tsarin da zuciya, shi ne gaskiyar cewa akwai hudu bawuloli, tabbatar da motsi na jini a gaba shugabanci da kuma hana ta samu yanzu. Tricuspid da mitral atrioventricular bawuloli rarrabe ventricles daga atria, na huhu da kuma aortic semilunar bawuloli - ventricles na manyan jijiyoyi. Dukan su suna haɗe da fibrous kwarangwal na zuciya. Zuciya frame kunshi sosai m connective nama, wanda yake shi ne goyon baya ga tsokoki da kuma bawuloli.

A general, ta kwatanta tsarin da zuciya, yana da muhimmanci a lura da cewa sosai zuciya kunshi hudu da bẽnãye: hagu atrium, dama atrium, hagu ventricle da dama ventricle. Dukan su rabu da partitions. A bar atrium hada da na huhu jijiya a cikin dama - m. Daga hagu da kuma dama ventricles suna located na huhu jijiya da kuma hawa lakã, bi da bi. The dama atrium da hagu ventricle rufe manyan wurare dabam dabam, da bar atrium da dama ventricle - a kananan da'irar.

A ciki surface daga cikin zuciya da bẽnãye, kuma bawuloli ake liyi tare da wani Layer da ake kira endothelial Kwayoyin - endocardium. A subendocardial nama dauke da fibroblasts, collagen da kuma na roba zaruruwa, jijiyoyi, veins, da conductive abubuwa na tsarin. Saide wannan tsokar nama - tsoka m Layer hada da cardiac tsoka Kwayoyin. Lura cewa a waje na myocardium auku Layer kitsen da connective nama, wanda yake rufe jijiyoyi faruwa ga tsoka Layer na zuciya, da zuciya da kuma manyan tasoshin.

tsarin da zuciya - mai ban sha'awa da kuma muhimmanci lokacin a mutum ilmin jikin mutum. Kawai kẽwaye har karshen duk nuances wannan batu, za ka iya fahimtar abin da ke cikin jikinmu da kuma yadda za a tallafawa rayuwar dan Adam.