Contents
Ta yaya ake samar da maniyyi?
A m aiki fara a cikin seminiferous shambura na testes, inda zafin jiki ne mafi ƙasƙanci (34 ° C). A sine qua non don aikin da ya dace domin idan ƙwayoyin suna cikin jiki da kansa. zafin jiki (37 ° C) yayi yawa don samuwar spermatogonia, Kwayoyin da za su juya zuwa maniyyi. Bugu da ƙari, na ƙarshe sunyi ƙaura a lokacin canjin su kuma suna samun sababbin abubuwa a kowane mataki. Don haka, daga bututun siminti na ƙwayoyin, suna wucewa cikin epididymis, ƙaramin bututun da ke rataye a cikin tes ɗin inda suke samun tutarsu, yana ba su damar motsawa. Daga karshe, tasha ta karshe: guraren jinin haila inda ake hadawa da ruwan da za'a fitar a lokacin fitar maniyyi. Don lura: mutum zai iya zama mai haihuwa da ƙwaya ɗaya kawai. idan yana aiki akai-akai.
Maniyyi yana dauke da miliyoyin maniyyi
Ce opaque da farin ruwa yana ɓoye a cikin ɓangarorin seminal inda aka wadatar da su da sinadirai (amino acid, citric acid, fructose…) amma kuma a cikin prostate wanda ke samar da kusan rabin maniyyi. A can ne wannan ruwa ya gauraya da maniyyi da ke isowa ta cikin vas deferens (wata kofa tsakanin epididymis da vesicle) ya samar da maniyyi, wato maniyyi mai taki. Tare da kowace maniyyi, mutumin yana zubar da 2 zuwa 6 ml na maniyyi, wanda ya ƙunshi kimanin miliyan 400 na maniyyi.
Shin akwai lokutan da suka fi sauran haihuwa ga mutane?
Spermatogenesis yana farawa a lokacin balaga kuma yana ci gaba a cikin rayuwa, kowace rana, sa'o'i 24 a rana. Kamar yadda a cikin mata, babu hawan keke. Sai dai idan an sami matsalar likita da ke haifar da rashin haihuwa. Don haka namiji baya karanci maniyyi. Duk da haka, bayan 50, abubuwa suna canzawa kadan : maniyyi ba su da yawa kuma ba su da inganci. Amma wannan ba shi da alaƙa da haihuwa na mace, wanda ke ƙare har abada a lokacin haila.
Spermatogenesis shine abin da ke nuna alamun tsarin samar da maniyyi. Maniyyi yana ɗaukar ɗan kwanaki sama da 70 (kimanin watanni biyu da rabi). Yana faruwa a matakai da yawa. Da farko, yana farawa da sel mai tushe na germline, waɗanda ake kira spermatogonia. Wadannan suna ninka kuma suna juya zuwa spermatocytes, sannan spermatids kuma a ƙarshe spermatozoa. Maniyyi kadai yana bada tsakanin 30 zuwa 50 sperm. A wannan mataki na karshe ne ake samun rabuwar tantanin halitta (meiosis), wanda a lokacin ne tantanin halitta ke rasa rabin chromosomes dinsa. Don haka an samar da maniyyi da chromosomes 23. Lokacin da suka hadu da oocyte, wanda kuma yana da chromosomes 23, suna samar da kwai mai chromosomes 46.
Za mu iya inganta haihuwa na namiji?
A cikin maza, babu buƙatar ƙaddamar da kwanakin masu kyau kamar yadda a cikin mata. A wannan bangaren, taba (kamar barasa) yana rage yawan haihuwa a cikin maza, musamman ta hanyar canza ingancin maniyyi. Dakatar da shan taba yana ba ku damar dawo da mafi kyawun haihuwa da zarar kun daina shan taba tunda maniyyi ya ci gaba da sabunta kansu. Cin abinci mai yawan kitse yana rage haihuwa! Don haka guje wa jita-jita na masana'antu, irin kek, jita-jita masu wadata (cuku, yankan sanyi, nama a cikin miya) da zabi mai kyau mai kyau (kamar omega 3). Ayyukan motsa jiki na yau da kullum yana taimakawa lafiya maniyyi kuma yana ba ku damar cika da bitamin D. Gabaɗaya, yana da kyau a kiyaye a lafiya rayuwa tare da lokacin kwanta barci na yau da kullun, ƙayyadaddun lokaci a gaban fuska da guje wa fallasa ga masu ɓarnawar endocrine.
Yellow, m maniyyi: menene launi yake nufi?
Yawanci maniyyi fari ne a launi, amma kuma yana iya zama a fili ko kodadde rawaya. Lokacin da maniyyi ya zama rawaya, wannan na iya zama alamar kamuwa da cuta wanda zai iya shafar haihuwa. Hakanan yana iya nuna oxidation na maniyyi, furotin wanda aka yi shi musamman lokacin da ba a saba da jima'i ba. Idan akwai launin ruwan maniyyi, ana ba da shawarar yin a gwajin kwayoyin cuta na maniyyi kwararre na kiwon lafiya ya umarta.
Shin maniyyi yana da rauni?
Maniyyi suna kula da acidity wanda ke kawar da su. Duk da haka, farjin mace yana da yawa ko žasa acidic (yana zama mai acidic bayan kwai). Amma yayin zagayowar samarwa, maniyyi yana samun garkuwa: ruwan maniyyi (wanda ya ƙunshi maniyyi) an ƙawata shi da kyawawan halaye na anti-acid. Wannan ruwan yana kare maniyyi. Har ila yau zafi yana sa maniyyi ya zama mai rauni ta hanyar sanya matsatsun tufafi, yin wanka akai-akai, rashin aiki a abin hawa ko a wurin aiki mai zafi.
Ta yaya maniyyi ke takin oocyte?
Yana da kayan aikin da yawa don yabo. Haƙiƙa ya ƙunshi sassa da yawa waɗanda duk suke shiga cikin hadi. Na farko, kai wanda da kansa ya ƙunshi sassa biyu daban-daban: acrosome, cike da wani enzyme wanda zai iya ratsa harsashi na oocyte, da kuma tsakiya, yana ɗauke da kayan chromosomal na tantanin halitta (wanda zai shiga cikin oocyte ya zama kwai). . Matsakaicin yanki wanda yake a gindin kai shine tanadin abinci mai gina jiki don ba da damar rayuwar maniyyi yayin jiran hadi. A ƙarshe, flagellum yana ba shi damar motsawa don samun sauri da sauri ovum.