PSYC 1002 Chapter 11: PSYC1002 Chapter 11
9 Mar 2017
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Development: the age-related changes that occur from conception to death. Zygote: a one-celled organism formed by a sperm and ovum. All other cells have developed from this cell. Prenatal period: extends from conception to birth (the period of pregnancy) This period is generally divided into three stages: the germinal stage, the embryonic stage, and the fetal stage. The course of prenatal development the prenatal phase is divided into three stages: Germinal stage: conception to 2 weeks the zygote divides, travels down the fallopian tube, and attaches to the uterine wall. Placenta: a structure that allows oxygen and nutrients to pass into the fetus from the mother"s bloodstream, and bodily wastes to pass out the mother. Embryonic stage: 2 weeks to 2 months. Vital organs and bodily systems being to form. Very sensitive stage as numerous parts of the body are growing fetal stage: 2 months to birth.
