MapangidweSayansi

Ziwalo zoberekera za amuna ndi akazi

Mikhalidwe imene kusiyanitsa munthu ndi mkazi, anthu ambiri. Izi ndi maganizo, ndi umunthu, ndi kusiyana thupi, ndi chithunzi anatomical. Yosiyana mu kunja ndi mkati makhalidwe kugonana amuna ndi akazi, ndi.

dongosolo ubereki - ndi kuika lonse la matupi udindo ndondomeko kubalana. Amuna ndi akazi sizili zofanana. Mogwirizana ndi gulu wolemekezeka zizindikiro ziwiri:

• chachikulu. Zikuphatikizapo matupi mwachindunji udindo umuna, chitukuko yoopsa ndi mapangidwe gametes. Motero, amuna mbali zinthu monga ku prostate, thumba losunga mazira ndi mbolo, ndi akazi - chiberekero, kumaliseche, etc. Matupi awa ndi ntchito zosiyanasiyana ndipo ndi nyumba osiyana;

• Zizindikiro sekondale palinso anthu ali ndi anthu ena a mtundu wa anthu, koma iwo amaoneka mosiyana. Zikuphatikizapo zopangitsa mammary, minofu ndi mafupa, tsitsi thupi, phula mawu, subcutaneous minofu, ndi ena.

Kugonana mkazi System

Mbali Aika - mapangidwe mazira, limene umuna kumachitika, mapangidwe ndi chitukuko cha latsopano chamoyo.

Gametes (maselo kugonana) okhwima mu thumba losunga mazira awiri ali mu kuya kwa mafupa a chiuno ndi. Zimenezi n'zotheka kuyamika kanthu za follicle-zolimbikitsa timadzi, amene amapangidwa ndi pituitary England. Mozungulira dzira kuwira anapanga padziko lapansi n'kuwasanganiza (a follicle), umene uli pafupifupi masiku khumi bursts. Zimenezi zimathandiza gamete kulowa chubu mazira, kumene mchikakamizo cha otaya madzimadzi limayenda kwa chiberekero. Kanikizani thumba losunga mazira okhwima dzira pa masabata anayi. Ndi dongosolo ubereki ndi mkazi akukonzekera umuna.

Nembanemba mucous la chiberekero wapangidwa thicker, chiwerengero Mitsempha ndi zakudya m'menemo ali kwambiri. Ngati ali Ukalawu, chifukwa cha kugonana gamete ndi ukala ndi umuna, pali latsopano embryonic maselo tsinde. Iwo amamangirira endometrium, amene ndiye amayamba kukhala zambiri, kutembenuzira kenako mu mwana wosabadwa. Anamaliza mimba yobereka. zipatso akubwera kuyatsa kudzera ku nyini.

Ngati kumene pawiri la gametes (mwamuna ndi mkazi) sizinachitike, dzira ndi magazi ndi unakhuthala mucous kukana chiberekero. Nthawiyi, amene kumatenga masiku angapo, amatchedwa "kusamba". Panthawi imeneyi, ziwalo zoberekera amaloŵamo yaing'ono kusinthasintha m'thupi, ndi chifukwa kuti mkazi akhoza kubva m'munsi m'mimba ndi kumva ena nkhawa. Patapita nthawi ina n'kuwasanganiza akuyamba kachiwiri kutuluka kuchokera follicle gamete.

dongosolo Male ubereki

dongosolo Male ubereki imakhala kunja (a scrotum, machende ndi mbolo) ndi ziwalo (Prostate ndi vesicles seminal).

Machende - wamwamuna zopangitsa kugonana, amene ali awiri thupi laling'ono. Iwo anayikidwa mu scrotum lapansi. Daily testes kubala nambala yaikulu maselo atsopano kugonana - umuna, wopangidwa mwa mchira ndi mutu. Komanso, ulamuliro ndi udindo kwa kupanga androgens, potero kumachita monga zopangitsa endocrine.

Pa kugonana umuna kusuntha mwa deferens vas ndi pamodzi secretions tochoka zopangitsa chowonjezera. Choncho, umuna amuna - umuna.

Ritsa kudzera amene umuna achoke scrotum ayenera zonse m'mimba ndi mu mkodzo wa - mkodzo. Ndi chubu woonda amene oyenerera mkati mbolo ndipo amapita ku chikhodzodzo kunja.

maselo umuna kunyamula zofunika kwambiri cholowa zakuthupi - DNA.

Maliseche dongosolo anthu lakonzedwa kuti akwaniritse ntchito yofunika kwambiri - kubalana.

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