Chapter 11 - Prenatal Development

Question 1

Define prenatal period

Answer 1

The prenatal period extends from conception to birth, usually encompassing nine months of pregnancy.

Question 2

The prenatal period is divided into three phases:

Answer 2

1) the germinal stage (first two weeks)
2) the embryonic stage (first two weeks and two months)
3) the fetal stage (two months to birth)

Question 3

Define germinal stage

Answer 3

The germinal stage is the first phase of prenatal development, encompassing the first two weeeks after conception.

Question 4

Define placenta

Answer 4

The placenta is a structure that allows oxygen and nutrients to pass into the fetus from the mother’s bloodstream, and bodily wastes to pass out to the mother.