Kuba kwinyama abawonwabeleyo emzimbeni kwabantu luvo, secretory kunye izihlunu zomzimba. Nangona kunjalo, le yokugqibela yahlukile kwezinye lwepropati elikhethekileyo ukusikwa ngenxa yobukho lwesakhiwo iseli ye microfilaments ze iiproteni ezizodwa - myosin, actin, tropomyosin. Oku kuqinisekisa ukugcinwa kokuma yabantu, intshukumo kwisithuba, ukukhuthaza bolus ukutya ngokusebenzisa iphecana zesisu, nokuhamba kwegazi, yaye ngaphezulu. Kuxhomekeke histological iimpawu, imisebenzi kunye imvelaphi kukho ukuhlelwa zibe tissue kwezihlunu anencasa striated kwaye abanye ababhali ukuchonga iimpawu kwi subsp wesithathu inhliziyo. izinto contractile kunjalo, kufuneka kuqondwe zenza isiseko kuphela ezi-tissue, baza ababa nako ukusebenza ngempumelelo ngaphandle womnatha oxineneyo imithambo yegazi ezinika ukuziswa isixa esikhulu oksijini eneji ebalulekileyo iqokobhe zokuzikhusela - sarcolemma kunye nokuqiniswa ndiseyimbumba evakalala kwizicwili.
Striated
Striated izihlunu zomzimba, ikakhulu kwenza izihlunu lonke skeletal kunye namalungu nokuvumela intshukumo nokugcina komzimba. unit lokwakheka kwaye esebenza ngayo sarcomere, kwaye zenziwe ngayo ithuba myosymplasts - Imicu ezenziwa ukuhlanganisa iziqu ezininzi iiseli ngamnye ngexesha umahluko. Kwamalungiselelo histological izihlunu izihlunu striated ngokulula zizakubalulwa multi-core kunye striation kutheni got igama labo. Omnye umsebenzi obalulekileyo sesizukulwana ubushushu, yaye ngenxa yoko iqondo lobushushu unciphisa a kukungcangcazela umntu kwenzeka. Kwakhona striated inyama kwezihlunu iifomu kunye nesakhiwo engabalulekanga, cardiomyocytes kuphela kwahluka symplasts yokuswela. Xa ngemicroscope, iiseli mononuclear fusiform. Zahlula ngokuvumelana nemisebenzi yabo emsebenzini (alawulwa inani) eqhuba kunye secretory. Kuyinto ngenxa nakowesibini, igazi striated izicwili kwezihlunu kuba impahla automatism, okt bayakwazi self-nciphisa, ukuqinisekisa ukuqhubeka intliziyo. Uhlobo lwesithathu iseli linxiwa kuyondelelaniswe kwezinto enama-like, ingakumbi kuba yinto atrial natriuretic negalelo ekukhuleni diuresis.
smooth
Ukuba ukubonelela intshukumo esiqwini zomuntu - striated, lo motility le emathunjini kunye iphecana enzala, ukuncitshiswa imithambo kunye nodonga inyumoniya inika ikruneke egudileyo. Oku yohlulwe isingqisho, lo iyalibala isihlobo, iqondo eliphezulu stretchability kunye nobuchule okungenisa, kwakunye innervation yawo. Oku iiseli mononuclear evuthelweyo, ngaphandle striations, kunye nezinto ezininzi actin kunye collagen kwi sakhiwo. myocyte nganye camera zibhityile kwigumbi elingaphantsi inwebu, kwaye amaqela - endomysial ubengo kuyo izihlunu ezitenxileyo nokuqina.