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| period that takes place in first two weeks after conception, culminating in implantation of the zygote to the uterine wall |
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| inner mass of cells that eventually develops into the embryo |
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| Outer layer of cells that provides nutrition and support for the embryo |
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| period of prenatal development from 2-8 weeks after conception. During the embryonic period, the rate of cell differentiation intensifies, support systems for the cells form, and organs appear occurs. |
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| life-support system that contains a clear fluid in which the developing embryo floats |
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| life support system containing two arteries and one vein and connects the baby to the placenta |
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| life-support system that consists of disk-shaped groups of tissues in which small blood vessels from the mother and offspring intertwine but do not join |
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| Organ formation that takes place during the first two months of prenatal development |
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| prenatal period of development that begins 2 months after conception and lasts until 7 months |
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| nerve cells which handle information processing at the cellular level in the brain |
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| Increase in the number of cells during development |
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| any agent that can potentially cause a birth defect or negatively alter cognitive and behavioral outcomes |
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Term
| Fetal Alcohol Spectrum Disorder |
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Definition
| A cluster of abnormalities that appears in offspring of mothers who drank alcohol heavily during pregnancy |
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