Embryology (Fertilization)

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What is the usual site of fertilizaion?

Ampulla region of oviduct
What occurs to sperm in the female reproductive track?
- Capacitation
- (i.e., acrosomal reaction and hyperactivation)
How many layers of the ovum must a sperm pass through?

3 layers
What are the three layers and in what order must they be passed?
- 1. Corona radiata
- 2. Zona pellucida (becomes hard after penetration)
- 3. Fuse with plasma membrane of oocyte
What is created by the fertilization?

Zygote
What is formed when the zygote divides enough to create an inner cell mass with an outer cell layer?

Morula
What form does the mordula convert to before implantation?

embryoblast