Will there be a meeting?
The walls of the fallopian tube.
Two sperm contact with the egg shell. The enzymes contained in the head of spermatozoa dissolved egg shell, but only one sperm genetic material involved in fertilization.
One of the father's sperm 200 million, breaking the shell of the egg, literally poured into it.
Longitudinal section of the spermatozoon. The genetic material contained in the sperm head.
A week fetus, sliding down the fallopian tube to the uterus moves.
The embryo is attached to the uterus mucosa (8 days).
Embryo development. Grey color - future brain. (22 days).
24 days. Skeletal-month fetus yet - there is only the heart, it begins to pulsate on the 18th day.
The 28th day after fertilization.
4 and a half weeks.
A five-week embryo, length 9 mm, already guessed face with holes for the mouth, nostrils and eyes.
40 days. The outer cells of the embryo fused with a loose surface of the uterus to form the placenta or afterbirth. It is a spongy piece of flesh for a man in the first nine months of his life and light, and the stomach, and liver and kidney.
Eight weeks. Fast-growing embryo is well protected in the womb of the mother. With the help of an electron microscope Nilsson was able to zoom in on hundreds of thousands of times.
10 weeks. The eyelids are half open. Within a few days, they will form completely.
16 weeks. Inquisitive kid is using his hands to explore the area.
The skeleton is mainly composed of a flexible shaft and a network of blood vessels visible through the thin skin.
18 weeks. About 14 cm fetus can now perceive sounds from the outside world.
20 weeks. About 20 cm on the head hair is starting to emerge.
6 months. There are still eight to ten weeks of carefree, but the little man is already close to the womb, and he is going to leave her. He turns upside down - which is easier to get out.
36 weeks. After 4 weeks, the child will see the white light.