Maumbirwo uye Mashandiro eNhengo dzeSistimu yekubereka
Sisitimu yekubereka yemunhu muunganidzwa wenhengo dzinoshanda zvakanaka nechinangwa chekubereka. Muvarume nevakadzi, sisitimu yekubereka ine maumbirwo nemabasa akasiyana asi akabatana. Muchinyorwa chino, tichakurukura zvakadzama maumbirwo nemabasa enhengo dzekubereka muvanhurume nevanhukadzi.
Sisitimu Yekubereka Yevarume
Sisitimu yekubereka yevarume inotarisa pakugadzirwa, kukura, uye kuendeswa kwembeu kunhengo yekubereka yevakadzi. Heino tarisiro yekukura kwenhengo yega yega uye mashandiro ayo:
1. Testis
Machende ndiwo nhengo huru dzemuviri wemurume dzekubereka, dziri mudumbu. Basa radzo guru nderekugadzira urume nehormone inonzi testosterone. Urume hunogadzirwa kuburikidza nemaitiro anozivikanwa sespermatogenesis, anoitika mumatubhuru e seminiferous.
2. Epididymis
Epididymis ichubhu yakamonerwa yakabatana kumashure kwechende rega rega. Basa rayo nderekuchengetedza nekukudza mbeu. Urume hunobuda mumachende hahusati hwakwanisa kufamba uye hunoda mavhiki akati wandei kuti hukure muchende.
3. Vas Deferens
Vas deferens ichubhu inobatanidza epididymis neduct inoburitsa urume. Basa rayo guru nderekutakura urume kubva mu epididymis kuenda muurethra panguva yekuburitsa urume.
4. Mavhairasi eSeminal
Matumbu embeu (seminal vesicles) inhengo mbiri dzinoburitsa mvura ine fructose nezvimwe zvinhu zvinopa hutano nekufambisa kufamba kwembeu. Mvura iyi ndiyo inonyanya kukosha muhuwandu hwembeu.
5. Prostate Gland
Gland reprostate riri pasi pedundira uye rakakomberedza chikamu chepamusoro cheurethra. Dundira reprostate rinoburitsa mvura ine alkaline inobvisa acid iri muurethra nepanhengo yemukadzi, zvichiita kuti mbeu yemurume ive nzvimbo yakanaka.
6. Matumbu eBulbourethral (Cowper's)
Matumbu aya anoburitsa mvura ine alkaline inoshanda kukwiza urethra uye kudzima weti chero ipi zvayo ingasara usati wabuda.
7. Nhengo yemurume
Nhengo yemurume (penis) inhengo inobereka mboro ine nhengo yemurume inogona kuzadza neropa, zvichiita kuti nhengo yemurume imire. Urethra inotenderera nepanhengo yemurume uye inoshanda senzira yekuti weti nembeu zvibude mumuviri.
Sisitimu Yekubereka Yevakadzi
Sisitimu yekubereka yevakadzi yakagadzirirwa kugadzira mazai, kugamuchira urume, kupa nzvimbo yekuberekesa, uye kutsigira kukura kwemwana ari mudumbu. Zvinotevera ndezvekukurukura nezvemaumbirwo uye mashandiro enhengo dzekubereka dzevakadzi:
1. Mazai
Mazai echibereko inhengo diki mbiri dziri mudumbu. Basa guru remazai nderekugadzira mazai (ova) uye mahormone eestrogen neprogesterone. Mwedzi wega wega, ovary imwe chete inoburitsa zai nenzira inonzi ovulation.
2. Machubhu eFallopian
Machubhu efallopian ndiwo machubhu anobatanidza mazai nechibereko. Mushure mekubuda kwezai, zai rinobatwa nezvikamu zvakaita seminwe pamucheto wechubhu yefallopian. Kuberekeswa kwembeu nembeu kunowanzoitika muchubhu iyi.
3. Chizvaro (Chizvaro)
Chibereko inhengo ine chimiro chepeya iri muchiuno. Inoshanda senzvimbo yekuisa zai rakabatanidzwa, inotsigira kukura kwemwana ari mudumbu panguva yekuzvitakura, uye inogumira panguva yekusununguka.
4. Endometrium
Endometrium inhengo yemukati mechibereko inofukidza chibereko uye inonamatira kumwana mushure mekusangana kwembeu. Nguva yega yega yekuenda kumwedzi, jira iri rinokora richigadzirira kuiswa kwembeu uye rinobuda kana pamuviri ukasaitika.
5. Muromo wechibereko
Muromo wechibereko chikamu chechibereko chinobuda muchibereko. Chinoita basa guru mukudzora kuyerera kwekuenda kumwedzi kubva muchibereko kuenda kuchibereko uye chinovhurika panguva yekusununguka kuti mwana aberekwe.
6. Kuzvara kwemukadzi
Chizvaro chemukadzi inzira inobatanidza muromo wechibereko nekunze kwemuviri. Inoshanda senzira yekuzvarira panguva yekusununguka, nzira yekubuda nayo kumwedzi, uye nzvimbo yekupinda kwenhengo yemurume panguva yepabonde.
Mabasa uye Hukama hweSistimu Yekubereka
Sisitimu yekubereka haishande yega. Munguva yekuyaruka, mahormone anogadzirwa nema endocrine glands anodzora kukura kwemuviri uye kugadzirira kubereka. Muvanhurume, testosterone inodzora kugadzirwa kwembeu uye kukura kwehunhu hwepabonde hwechipiri hwakadai sekudzika kwenzwi uye kukura kwebvudzi rechiso. Muvanhukadzi, estrogen neprogesterone zvinodzora kukura kwemazamu, zvinodzora kutenderera kwemwedzi, uye zvinogadzirira chibereko kuti chive nepamuviri.
Maitiro ekubereka anotanga apo mbeu yemurume inosangana nezai, ichigadzira zygote. Zygote inobva yaenda kuchibereko, yodyara, yokura kuita mwana ari mudumbu, yozopedzisira yava mwana ari mudumbu. Kubereka kwevanhu kunobudirira kunoenderana nekubatana uye kubatana kwechikamu chega chega chemuviri wekubereka, pamwe chete nepesvedzero yemahormone inosarudza nguva uye kugadzirira kubereka.
Mhedziso
Masisitimu ekubereka evarume nevakadzi akagadzirwa kuti ave nechokwadi chekuti hupenyu hwevanhu hunoramba huripo kuburikidza nemabasa nemaumbirwo anoenderana. Kunyange hazvo imwe neimwe iine nhengo dzayo nemabasa ayo, dzinoshanda pamwe chete mukuita kwekubereka. Kunzwisisa maumbirwo nemashandiro enhengo dzekubereka ndiyo nhanho yekutanga yekuziva zvakanyanya hutano hwekubereka uye kukosha kwehutano hwakanaka hwekushanda zvakanaka kwehurongwa uhu muhupenyu hwemunhu wese.
Pakupedzisira, dzidzo yehutano hwekubereka ndiyo chinhu chakakosha pakudzivirira zvirwere kana matambudziko anogona kukanganisa mashandiro ehurongwa uhwu. Ruzivo neruzivo rweveruzhinji zvinogona kuita basa rakakosha mukuchengetedza hutano nekugara zvakanaka kwezvizvarwa zvinotevera.
