The pakati rukoko ine arteries transversely striated tsandanyama, arteries ehupfumi

Sezvo okutanga muna Chirungu chiremba XVII remakore William Harvey kwakaita Kuwanikwa mutemo kufamba kweropa kuburikidza nhumbi nesainzi, kwakaonekwa kuti mutumbi ane kunzwisisa hurongwa conductive zvinhu. Ndicho mutsinga, capillaries uye arteries womunhu. Vane imwe STRUCTURAL urongwa, sezvo panguva embryogenesis aumba kubva utachiona rukoko - mesoderm. Nokuda kusiyana mabasa anoitwa imwe mhando dzose, vaiva zvimwe zviri chacho. Munyaya ino tichakurukura maduramazwi ehupfumi rwengarava ropa anobatanidzwa zviduku kufamba kweropa.

Ko arterial rusvingo

Usazviomesera, Zvinokosha zvakaisvonaka uye kwakavharwa nenyama sepombi kuti vaende kubva pamwoyo - a tsinga kwevanhu. Maererano naye ropa richienda mapazi ose uye munyama, nokuunza masero pamwe okisijeni uye zvinovaka muviri: shuga, amino acids, glycerol uye mafuta acids. Panguva imwe chete zvinotora zvibereko cellular muviri, uye carbon dioxide. In zvose midziyo arterial ropa inofamba pasi kumanikidza uye pane imwe zvakakwana kumhanya. Kuti tirambe kuvimbika tsinga masvingo kunge vakasimba chaizvo. Vane-rukoko matatu yakarongeka, izvo tichakurukura zvizere.

zvemukati mamiriro

Three goko of mumudziyo wokunze, pakati uye womukati, ndizvo kusiyana kuti yakatsanangura mabasa anoitwa navo. Saka, kuruvanze rukoko rinoumbwa unzenza connective zvinyama, tsinga harinzwi rakapinda. Kufara, vakapfuura pamusoro pavo, rinoita kuchinja mune lumen pamusoro tsinga, iyo kunokanganisa indekisi ropa nevezera mukati ngarava. The pakati rukoko ine arteries striated fibers uye chinewo mvere tsandanyama tishu. Uyezve ivo varipo vari arteries connective tambo ane puroteni elastin. Nokuda marwadzo uye kutandara pamusoro tsandanyama zvakaturikidzaniswa ropa midziyo lumen kuchinja. Zvinonzi nokudzorwa tsinga fibers ari autonomic tsinga. Saka, zviri excitation iri tsitsi kukamurwa hunokonzera aienda pamusoro arteries, uye mune parasympathetic - Kuwedzera dhayamita yavo. Inner rukoko pangagara rinonyanya ine rinokosha connective zvinyama - endothelium, ane mvere chaizvo nomumativi zvinopa yakanaka ezvinhu kuti chokubuda ropa renyu. Sezvinogona kuoneka, vose akaturikidzana ose arterial rusvingo yakanakisisa ishande ropa kuchinjirwa mashandiro pasi kufurirwa uye panguva kumhanya.

Funga midziyo mumuviri womunhu inokosha arterial. Izvi zvinosanganisira yeropa, pulmonary uye coronary nemidziyo.

yeropa

Sezvo kupfuura tsinga womuviri, yeropa chinovapo ventricle kuruboshwe uye rakakamurwa matavi vatatu: vachikwira, chematenga nokuburuka bazi. Zvavanokupai ropa rose zvomukati uye munyama. The kumanikidzwa mairi 120-150 mm HG. Art. Kukurira izvi kubva kwechigarire migove ropa vabudiswa mwoyo, pakati zvakaturikidzaniswa rine simba arterial mhasuru tishu, richipedza vasingadiwi vibration uye inoita kuti kufamba kweropa. Mutinhimira sunga rusvingo kutsemuka anogona kuziva kwokunze inoda kufunga kupomba panguva TOUR tsinga kuti wakasiya chiningoningo. Rive dete of tsandanyama layer kurasikirwa elasticity vavo kutungamirira kukudziri- kutsemuka aneurysm - chirwere chakakomba kuti chinomirira kukanganisa upenyu uye mukutanga mumatanho haana zviratidzo zvakajeka. Izvi zvinoomesa yokutanga zvokuongorora uye chirwere chinogona kuonekwa nokushandisa nzira dzakadai Ultrasound arteries.

Pulmonary kutenderera

Chiedza ruvara dzvuku, nomuti okisijeni uye zvinovaka muviri, arterial ropa inofamba kubva mwoyo kuburikidza yeropa. Pano anotanga systemic riparadzirwe. Uyezve, nokuda kuparadzana yeropa kupinda matavi matatu, ropa runoyerera kusvikira nhengo vose vasiri gadziriro. Panewo diki, anonzi pulmonary, denderedzwa, kutangira kubva kurudyi ventricle. Pazviri wouya pulmonary tsinga, izvo anotakura matema alveolar pulmonary venous ropa kuti rave aunganidzwa okumusoro pamhango mutsinga ari systemic riparadzirwe. Tinofanira kurangarira kuti kurutivi rworudyi mwoyo venous ropa, chikamu iyo anosunungurwa mugomba pulmonary tsinga. Pressure mairi vo zvikuru yakakwirira, kunyange kuvatumwa mu yeropa.

The pakati rukoko ine myofibrils tsinga wakatsetseka tsandanyama rinenge rakatumbuka pamwe kwakavharwa nenyama internet mapuroteni. Kuruboshwe nezvakarurama mapazi pulmonary venous ropa mumapapu apo gasi Exchange anotora nzvimbo: Carbon dioxide kusunungurwa mhango pakati Formação de uye kupinda ropa diffuses okisijeni mamorekuru izvo nechokuita kufema ruvara - hemoglobin.

Sezvaunogona kuona, kuti pulmonary tsinga, zvinobatanidzwa munyaya pulmonary riparadzirwe, anotakura venous ropa mumapapu.

coronary midziyo

Heart - mumwe akagwinya zvikuru tsandanyama mitumbi kushanda rhythmically yacho. Rinotibatsira ropa muviri wose, asi vo kuda risina kumiswa okutambirwa trophic zvinhu uye oxygen. Kuti aite yayo inokosha basa muviri une wayo vascular hurongwa.

Hunosanganisira tsinga matavi zvinobva kwokutanga chikamu yeropa rinonzi girobhu racho. Muromo coronary midziyo dziri chete shure kutsemuka vharuvhu, izvo haabvumiri ropa kunyika rworuboshwe ventricle mwoyo. Kuburikidza coronary midziyo pazuva wakakwira 500 litres ropa, ichi rinoratidza mutoro, izvo pasi kwegadziriro ropa wedzerai mwoyo. The pakati rukoko ine arteries tsandanyama uye kwakavharwa nenyama fibers uye saka kukura atherosclerosis kana kakawanda kungoerekana spasm ingatadza elasticity. Makavigwa lumen ipfupi, iyo chinokurwadzai mugove pomwoyo necrosis - myocardial infarction.

BP

Kare, takawana kuti arteries ropa uchifamba pasi kufurirwa uye panguva kumhanya. BP wakabatana cardiac maitikiro: systole uye diastole, uye zvakajairika vascular matauriro ari anenge kuenzana 120/70 mm HG. Art. Zvinonzi akayera pamusoro nevezera geji yacho brachial tsinga. Kana masvingo arteries rakatetepa, matauriro avo rwuchiwanzwa uye kumanikidza inowedzerawo. munhu pathological ezvinhu akadaro rinonzi neBP. Inotungamirira kuti mutoro mumwoyo tsandanyama uye ayo ropa rive vachivavhiringidza pasina kurapwa kunogona kukonzera chomwoyo.

In neKwayedza tikadzidza maumbirwo arteries uye yakasimbiswa zvinoitwa inoshanda kwavo mumuviri womunhu.