Unit 6 Flashcards
Development
the sequence of age related changes that occur as a person progresses from conception to death
Nature/Maturationists
development is due to genetically programmed growth and development
Nurture/Environmentalists
intellectual development is due to environmental influences that are learned
Prenatal Period
the time period from conception to birth, usually encompassing nine months of pregnancy
Germinal Stage
the first phase of prenatal development
Embryonic Stage
second stage of prenatal development
Placenta
Structure that allows oxygen and nutrients to pass into the fetus from the mothers bloodstream and bodily wastes to pass out to the mother
Fetal Stage
the third stag of prenatal development
Teratogens
external substances that invade the womb and cause birth defects
Critical Period
a stretch of time during which some form of development must take place
Reproductive System
Develops during the 1st and 2nd trimesters
Nervous System
Develops during all three trimesters
Cigarettes
low birth weight, miscarriage, stillbirth and premature delivery
Cocaine, Crack, and Other Drugs
fetuses cannot break down the drugs in their systems and are born addicted
Prescription and OTC drugs
thalidomide; used for morning sickness; high doses of vitamin A, cleft lip/palate