Mbeu inofamba sei kuii?
Mune zvepabonde zvisina kudzivirirwa, anenge 2-3 maminitsi emvura inopinda mumukadzi wemukadzi , izvo zvinowanzove zvine mamiriyoni zana anoshanda masero emishonga.
Kubva kumudzimai, spermatozoa inotanga kufambira mberi kwavo kumuromo wechivi kuti vapinde mumugero wayo, uye ipapo fallopian tube. Chikwata chemashure evanhukadzi zvepabonde chinokurudzirwa nekugadziriswa kwemasimba kwe myometrium pachayo. Yakanga iri kuongororwa yakagadziriswa kuti inomhanyiro yehuta haina kudarika 2-3 mm neminiti.
Paunopinda munharaunda yemumuromo wechikadzi, masero evanhu vemukomana anotarisana nechipingamupinyi chekutanga munzira - chikwata chechibereki. Kana yakanyanya kuoma uye kune zvakawanda zvayo, kubata pamuviri hakugone kuitika, nokuti Spermatozoa haikwanisi kukurira chigadziro ichi.
Achipfuura nomugero wechipervic, chirume chiri mu uterine cavity, kubva kwairi kuenda ku fallopian tube, uko mushure mokunge mazai evha iripo.
Kupindira kwehuta mukati meii?
Iko kusanganiswa kwemashure nemadzimai ekuberekera masero kunowanikwa mune ampullar chikamu che uterine tube. Inenge maminitsi 30-60 mushure mokurara kwepabonde spermatozoa inosvika pachivako chemukati, uye imwe maawa 1.5-2 anoenda kumugwagwa unoenda kune tube. Evha inodzivirirwa nezvinhu zvakasiyana-siyana zve enzymatic substances, iyo inoratidzira mamiriro ayo chaiwo uye, sezvazvakanga zvakaita, "kukwezva" spermatozoa.
Kutaura nezvehuwandu hwemhombwesi yemuviri inogara muii, inofanira kuonekwa kuti kazhinji inenge maawa maviri. Zvadaro, mahwendefa e spermatozoon pachake anopera uye nuclei ye 2 majekiseni emagetsi anosangana, zvichiita mukuumbwa kwe zygote.