Term
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Definition
| Period between conception and implantation. |
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Term
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Definition
| Zygote has the form of a sphere of cells surrounding a cavity of fluid. |
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Term
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Definition
| Platelike inner part of the blastocyst that forms into the ectoderm, mesoderm and the endoderm. |
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Term
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Definition
| Outer part of the blastocyst where the amniotic sac, placenta, and umbilical cord develop. |
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Term
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Definition
| Implantation through the 8th week. Development of major organ systems. |
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Term
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Definition
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Term
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Definition
| From the inner part of the body outward. |
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Term
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Definition
| Outermost cell layer where skin and nervous systems forms. |
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Term
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Definition
| Hollowed-out area in the blastocyst where nervous systems forms. |
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Term
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Definition
| Inner layer of the embryo where lungs and digestive system form. |
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Term
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Definition
| Central layer of the embryo where the bones and muscles develop. |
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Term
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Definition
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Term
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Definition
| Male sex hormone produced by the testes that promotes the development of male sexual characteristics and sperm. |
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Term
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Definition
| Lasts from the beginning of the 9th week through birth. |
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Term
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Definition
| Environmental influences or agents that can damage the embryo or fetus. |
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Term
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Definition
| Period where the embryo is vulnerable to a certain teratogen. |
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Term
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Definition
| Present at birth; resulting form the prenatal environment. |
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Term
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Definition
| Viral infection that can cause retardation and heart disease in the embryo. AKA German Measles. |
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Term
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Definition
| Life-threatening disease characterized by high blood pressure. |
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Term
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Definition
| Born before the full term of gestation. (Preterm) |
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Term
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Definition
| Antibodies produced by the mother are transmitted to the child, possibly causing brain damage or death. |
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Term
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Definition
| Sedative linked to birth defects, especially deformed or absent limbs. |
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Term
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Definition
| Hormone that is used to maintain pregnancy and can cause masculinization of the fetus. |
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Term
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Definition
| Diethylstilbestrol, an estrogen that has been linked to cancer in the reproductive organs of children of women who used it when pregnant. |
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Term
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Definition
| Fetal alcohol syndrome / Fetal alcohol effect, women who drank during pregnancy characteristic facial features and intellectual disability, lesser so in effect |
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