چگونه می لقاح | تحویل | دوره بارور | گردش خون جنین


بدن تو: FERTILIZATION

Fertilization occurs when the head of a sperm penetrates a mature ovum. پس از نفوذ, هسته (که شامل مواد ژنتیکی) از اسپرم و تخمک فیوز و بدن و دم نطفه خاموش. The newly fertilized ovum cal

led a zygote then forms an outer layer that is impenetrable to other sperm. تخم در معرض تکرار تقسیمات سلولی به عنوان آن پایین لوله فالوپ عبور. در آن زمان آن رحم می رسد, it has grown into a solid ball of cells called a morula. It then develops an inner cavity with a small cluster of cells to one side, this is called a blastocyst. The blastocyst implants in the wall of the uterus, at this point it is known as an embryo.

دوره بارور

Ovulation occurs halfway through the menstrual cycle (13-16) before the start of a period, after which the released ovum is available for fertilization for about two days. Sperm can also live for about two days, so the peak fertile period is about four days (two per and two post-ovulation).

Fetal Circulation

Blood circulation in the fetus is different from the normal circulation after birth. The fetus neither breathes nor eats, so oxygen and nutrients are obtained, via the placenta and umbilical cord, from the mother’s blood. The other fundamental difference in circulation is that blood bypasses the lungs in the fetus.

DELIVERY

Fetal distress sometimes occurs as a temporary episode, but, if acidosis is severe, the distressed fetus.

FETAL HEART CIRCULATION

In the fetus, blood passes directly from the right atrium of the heart to the left atrium through the foramen ovale. Another channel, the ductus arteriosus, allow blood to pass from the pulmonary artery to the aorta. After both channel close, redirecting blood through the lungs.

امیدوارم این مقاله را می, اگر شما مطمئن شوید که شما آن را شست و یک نظر خوب زیر را.

29 پاسخ

  1. Veera مارس 10, 2017 / 11:05 صبح

    Mielenkiintoinen teksti 🙂

  2. charles مارس 10, 2017 / 11:34 صبح

    wow,i have really learnt a lot.thanks for sharing such good information

    • mujeer مارس 10, 2017 / 4:34 pm

      Thanks.

    • mujeer مارس 10, 2017 / 4:31 pm

      Welcome sir,

پاسخ دهید

آدرس ایمیل شما منتشر نخواهد شد. بخشهای موردنیاز علامتگذاری شدهاند *

نشان را CommentLuv