Mod 13 Flashcards
Understand the different emphases of stage models and continuum models of development.
Moral development
Psychosocial development
Cognitive development
How are the terms egg, sperm, gamete, and zygote related?
Gametes - egg and sperm
Zygote - fertilized egg
What is fertilization implantation?
fertilized egg implants in uterine wall
What is pre-embryo, embryo, fetus, and differentiation?
Pre-embryo - conceptus before implantation in the uterus
Embryo - the developing human organism from about 2 weeks after fertilization through the second month
Fetus - 9 weeks - embryo looks unmistakably human
Differentiation - embryonic cells specialize and diverse tissue structures arise
What is a teratogen and what are some major examples?
agents, such as chemicals and viruses, that can reach the embryo or fetus during prenatal development and cause harm
Alcohol
Nicotine
Marijuana