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Pregnancy/Human Dev

Wk 15 Ch 28

QuestionAnswer
What is a developing embryo called? conceptus
What is the period from fertilization through week 8 called? the embryonic period
What is the period from week 9 thru birth called? the fetal period
What is the embryo called from wk 9 thru birth? fetus
Ejaculated sperm must undergo what before they are able to fertilize an egg? capacitation-enhances their mobility
What reaction involves the breakdown of the plasma membrane and the acrosomal membrane and release of acrosomal enzymes (acrosin, proteases and others) which digest holes thru the zona pellucida? acrosomal reaction
The time during which development occurs is referred to as what? the gestation period, and is the time from the last menstrual period until birth, approximately 280 days
Created by: svking01
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