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CHAPTER 3 PRENATAL

REVIEW FOR CHAP 3 PRENATAL DEV

QuestionAnswer
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
Created by: patpat1116
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