The chorion and the amnion form the amniotic sac. Their respective combining forms are chorio- and amnio-.
Implantation is the process of the embryo embedding in the endometrium.
Normal placement embryonic fetal development means that an embryo in developing in the uterus.
Parturition is the term meaning delivery of a developed fetus. A related term, oviposition, means delivery of an egg containing an embryo.
Embryo (Greek embryon = a young one) refers to a human baby in its first trimester. During this time histogenesis (tissue formation) and organogenesis (organ formation) is taking place.
Miscarriage or abortion (if induced).
End of pregnancy before the embryo is viable. In the medicinal sense, this term and the term unsuccessful labor both allude to the end of pregnancy before the embryo is fit for survival outside the uterus.
The fertilized egg is known as the zygote. Over time, it develops into the embryo, then the fetus.
Implantation is the medical term meaning attachment of the zygote to the uterine wall. If the zygote does not attach, a period occurs.
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The root word of embryo is "embryon," which comes from the Greek word "embryon" meaning "young one" or "fruit of the womb."
The first human embryo bank was established in the United States in the 1970s at the George Washington University Medical Center in Washington, D.C.
The shape of an egg is generally oval with one end larger and rounder than the other. It is smooth, tapered, and symmetrical, designed to protect and enclose the growing embryo inside.