Embryonic Development and Prenatal Influences: From Fertilization to Birth, Quizzes of Developmental Psychology

Download Embryonic Development and Prenatal Influences: From Fertilization to Birth and more Quizzes Developmental Psychology in PDF only on Docsity! TERM 1 fertilization DEFINITION 1 sperm penetrates egg and forms a zygote TERM 2 conception DEFINITION 2 zygote to blastocyst to implantation TERM 3 placenta DEFINITION 3 a fetomaternal organ; allows for nutrient uptake, waste elimination, and gas exchange TERM 4 gastrulation DEFINITION 4 creation of primary germ layers TERM 5 endoderm DEFINITION 5 internal, forms gut and internal organs later TERM 6 mesoderm DEFINITION 6 middle germ layer; forms muscle, skeletal, and circulatory systems later TERM 7 ectoderm DEFINITION 7 outer layer; forms skin, brain, and nervous system later TERM 8 fetal period DEFINITION 8 begins at third month, includes second trimester and third trimester TERM 9 second trimester DEFINITION 9 13-25 weeks; fetal movement is felt, quickening TERM 10 third trimester DEFINITION 10 most rapid growth of fetus, head engagement (baby drop), and premature birth is possible