Chapter 3 Flashcards
What are the four courses of prenatal development
- Menstruation day 1
- Follicular stage
- Ovulation
- Luteal
The period that occurs 2-8 weeks after conception
Embryotic period
Durning the embryotic period, the cell is now called an
Embryo
Bag that contains clear fluid in which developing embryo floats
Amnion
Contains two arteries and one vein that connects the baby to the placenta
Umbilical cord
Consists of the disk shaped group of tissue that connects blood vessels between mother and child
Placenta
What happened during the embryonic period
Primitive face and circulation begins. Miscarriages also take place due to defective set of chromosomes splitting during mitosis
The process of organ formation during the first two months of prenatal development
Organogenesis
What happens during the organogenesis process?
Organs are very sensitive to environment and they are sexually identified
Period known to begin in third month and last until birth
Fetal
By the end of the third month what has formed?
Major organ systems, fingers and toes, eyes and sex
The what period is the period of prenatal development takes place in the first two weeks after conception
Germinal
