Qhov fertilization ntawm lub qe ib txwm tshwm sim?
Qhov fertilization ntawm lub qe ib txwm tshwm sim?

Video: Qhov fertilization ntawm lub qe ib txwm tshwm sim?

Video: Qhov fertilization ntawm lub qe ib txwm tshwm sim?
Video: Phau tshwm sim tshooj 10 - 17 2024, Lub rau hli ntuj
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Cov kauj ruam ntawm fertilization hauv tib neeg ib txwm koom nrog koom nrog ntawm ib qho qe thiab phev. Hauv kev xeeb tub, txiv neej phev fertilizes poj niam qe hauv poj niam lub cev. Thaum coob leej xav fertilization tshwm sim hauv zes qe menyuam, nws tshwm sim tiag tiag hauv lub raj xa menyuam tawm sab nraum lub zes qe menyuam.

Nyob rau hauv txoj kev no, qhov chaw fertilization tshwm sim hauv poj niam?

Fertilization feem ntau siv qhov chaw hauv lub raj xa menyuam (ampulla) uas txuas lub zes qe menyuam mus rau lub tsev menyuam. Yog tias chiv qe ua tiav mus rau hauv lub raj xa menyuam thiab cog rau hauv lub tsev menyuam, lub embryo pib loj hlob. Fertilization yog cov saw ntawm cov xwm txheej ntau dua li ib qho, cais ib qho tshwm sim.

Ntxiv mus, cov phev paub qhov qe nyob qhov twg? Cov kws tshawb fawb ntseeg phev hlwb nrhiav tau tos qe cell ntawm ob peb txoj kev yooj yim. Lawv ua luam dej mus rau qhov siab dua ntawm cov molecules tso tawm los ntawm qe (paub tias yog chemotaxis) thiab mus rau thaj chaw kub ntawm poj niam txoj kev ua me nyuam, nyob qhov twg qe yog pom (hu ua thermotaxis).

Kuj paub, qhov twg fertilization ntawm lub qe tshwm sim quizlet?

Qe yog chiv hauv lub cev Fallopian. Nws yuav siv sijhawm 3-4 hnub rau kev xa khoom qe mus rau lub tsev menyuam. Cov fertilized qe (zygote) hu ua embryo tom qab nws tau cog rau hauv lub tsev menyuam.

Cov phev tos lub qe nyob qhov twg?

Raws li koj tau paub dhau los, txhawm rau kev xav kom muaj chaw, tsawg kawg yog ib qho noj qab haus huv thiab muaj zog phev yuav tsum yog tos nyob rau hauv lub raj xa menyuam thaum lub sij hawm ovulation tshwm sim thiab yuav tsum muaj peev xwm fertilize lub qe tsis pub dhau 12-24 teev tom qab qe raug tso tawm ntawm zes qe menyuam.

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