Umzimba womntu, njengazo zonke izinto eziphilayo, yahlukile iiyunithi zolwakhiwo kwaye esebenza - iiseli. Nabo ke, ngezizathu ngokubanzi (imvelaphi, morphology, umsebenzi) adityaniswa inwebu apho zakhiwa kwaye onke amalungu ethu, imithambo yegazi, igazi kunye nkovu. Ingxenye ekhethekile epithelium labo, njengoko benamandla emzimbeni kwaye yenza ukutyabeka kunye nemisebenzi secretory. Ngaloo ndlela, ngokusekelwe eluswini lwayo yakhiwe kwaye inwebu serous, it yakha ubume ngaphakathi langaphandle gland secretion. Kwaye okona kubaluleke kakhulu, yonke imigca izibilini imithambo yegazi (epithelium carcinomas). Oko kukuthi, umda kukuthi, kunjalo, phakathi eziphilayo kunye nokusingqongileyo. It wayakhela ngelaphu kweeseli epithelial, ezo ngokuqinileyo idityaniswe omnye komnye ngokusebenzisa ezahlukeneyo ngeendlela lwabafowunelwa intercellular: iibhanti kuncanyatheliswe nokuvala, kwakunye yeminwe-ezifana lunamaqoqo ezikhethekileyo inwebu - interdigitatsy. ezinqabeni zawo ne t. N. into ekuqiniseni equlethe isixa esikhulu hyaluronic acid. Ngenxa yoko, kwasekwa umaleko eziqinileyo, ezivame iqhotyoshelwe inwebu kwigumbi elingaphantsi, yaye ukutya kwabo ibonelela ngakumbi engundoqo izihlunu evakalala nokuqina neempahla yegazi kunye luvo. Zonke ion kunye namandla substrates avavanywa iiseli epithelial yi nokuhanjiswa ngokusebenzisa emithanjeni zibhityile ngodonga.
Ukuhlelwa ngokweendidi nemisebenzi
Ngokutsho morphology kunye neempawu zolwakhiwo ukwahlula epithelium uthe tyaba, cubic, zezindlu, multilayered, ciliary (ciliary) kunye ndlala.
Kwelinye icala, zonke iintlobo zeHPV zingonobangela, ngaphandle iqela lokugqibela zenze uhlobo ukutyabeka eqhelekileyo kuba delimit eziphilayo eliphakathi ukusuka ukutya ufuduswe phakathi kwabo sokufunxa kunye nokugxothwa. Kwakhona epithelium, kuquka tyaba, ikhusela zonke ezi zoleko ingxaki evela umonakalo ezahlukeneyo :. Mechanical, imichiza, ngokwasemzimbeni, njl Kule meko, sinawo amandla regenerator liphezulu xa kuthelekiswa namanye kwizihlunu zomzimba. kubaluleke kakhulu gqitha ukuba nesikhumba sayo iphecana zokuphefumla, njengoko ngqo wadibana yemeko ezisingqongileyo. Kwakhona epithelium flat kunye nemibutho mqukumbelo glandular le iphecana zesisu kunye nenkqubo enzala, elisikhusela adhesion kunye nokwaziswa iintsholongwane yayintsholongwane eyosulela, kwakunye ityhefa nobumdaka.
Indima luxilongo
Ngenxa yokuba iiseli ngokuqhubekayo ayihlaziywa, wachuba iindawo yaye bemka abafileyo ngoku umchamo okanye igazi macrophage ithathe. Ngokuphathelele oku, epithelia dyaba, izinga apho urinalysis yi 1-2 kwi entsimini umbono lo ngemicroscope, unalo ixabiso diagnostic. Kwaye xa kumiselwa amadoda kunqabile, kuza kusoloko abafazi. Isizathu kukuba isakhiwo ezahlukeneyo iphecana excretory: epithelium strong sex uwela kwi umchamo kuphela yesithathu esezantsi urethra, yaye amandla - kwaye nkqu lobufazi. Phambi ukudumba kwimali womchamo nga ukwandisa kakhulu, kodwa ke ixabiso elikhulu lophando epithelium senguqu, nto leyo ngokwesiqhelo njengongekhoyo esikolweni cazululo.