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Pregnancy, Growth, and Development. Prenatal Period Postnatal Period. Prenatal Period. Period of cleavage When does conception begin? What is cleavage? What is a morula ? What is a blastocyst ? What is the embryo proper? Draw and label pg. 881 figure 23.5 in your notes
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Pregnancy, Growth, and Development Prenatal Period Postnatal Period
Prenatal Period • Period of cleavage • When does conception begin? • What is cleavage? • What is a morula? • What is a blastocyst?What is the embryo proper? • Draw and label pg. 881 figure 23.5 in your notes • What is implantation? • What is the placenta? • What is the function of human chorionic gonadotropin? • Embryonic stage • When does the embryonic stage occur? • Define the following terms: amniotic cavity, embryonic disc, primary germ layers, gastrula, chorion, chorionic villi, lacunae, amnion,amniotic fluid, umbilical cord, yolk sac, allantois, and teratogens. • Fetal stage • When does the fetal stage begin and end? • What is a fetus? • What does full-term mean? • List the major events that occur per month starting at the third month and ending with the third trimester. • Know the Stage and Time Period (Pg. 895, Table 23.3) of Prenatal Development
Postnatal Period • We will cover this on Friday in class.