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1 - Lone Star College
1 - Lone Star College

... Yolk sac – first site of blood cell formation Allantois – the allantois blood vessels become the umbilical blood vessels Amnion – contains fluid to cushion and protect the embryo ...
Human Embryology Development
Human Embryology Development

... • The sperm cells travel through the cervix into the uterus, although they do not all reach fallopian tubes. It takes approximately 3-5 days for the fertilized ovum to travel from the fallopian tube to uterus. • Cell division, or cleavage, occurs and the zygote gets smaller. The zygote develops into ...
Prenatal Care .
Prenatal Care .

... Health of Fetus Females must be very careful about what they take into their body ...
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Prenatal development



Prenatal or antenatal development is the process in which a human embryo or fetus (or foetus) gestates during pregnancy, from fertilization until birth. Often, the terms fetal development, foetal development, or embryology are used in a similar sense.After fertilization, the process of embryogenesis, (the early stages of prenatal development) begins. By the end of the tenth week of gestational age the embryo has acquired its basic form and the next period is that of fetal development where the organs become fully developed. This fetal period is described both topically (by organ) and chronologically (by time) with major occurrences being listed by gestational age.
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