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CHAPTER 3 PRENATAL
REVIEW FOR CHAP 3 PRENATAL DEV
| Question | Answer |
|---|---|
| 2-8 weeks after conception | Embryonic Period |
| 2 weeks after conception | Germinal Period |
| Blastocyst when attached to the uterine wall turns into this- | Embryo |
| digestive and respiratory system | Endoderm |
| circulatory system, bones, muscles, excretory system, reproductive system | Mesoderm |
| nervous system and brain, sensory receptors, skin parts | Ectoderm |
| sac that contains clear fluid in which the developing embryo floats; allows for shockproofing, as well as temperature and humidity to be controlled | Amnion |
| 2 arteries and 1 vein; connects baby to the placenta | Umbilical Cord |
| delivers oxygen and nutrients; small blood vessels from the mother and offspring intertwine but do not join | Placenta |
| Period between 2 months after conception and birth (around 7 months) | Fetal Period |
| inner mass of cells that develop into the embryo | Blastocyst |
| outer layer of cells that provide nutrition and support for the embryo | Trophoblast |
| process of organ formation | Organogenesis |
| Fertilized Egg | Zygote |
| specialization of cells to perform various tasks | Differentiation |
| baby is born without parts of the brain and skull | Anencephaly |
| spine and spinal cord does not form and close completely | Spina Bifida |
| (isotretinoin) is another name for this type of prescription drug- | Accutane |
| High dosages of this drug leads to maternal and fetal bleeding | Aspirin |
| SIDS (Sudden Infant Death Syndrome) is another name for this phenomena | Crib death |