Embryo Development

Terms in this set (8)

Calcium
Following fertilization, there is an influx of its ion form into the ova which prompts the completion of meiosis II
Zygote Transformations
1) Morula
2) Blastocyst
Blastocyst
A morula that continues to divide and undergoes differentiation and cavitation
Blastocyst Sections
1) Inner cell mass (embryo)
2) Trophoblast (placenta)
3) Blastocoele (fluid-filled cavity)
Implantation
1) Occurs in the final stages of embryonic development when the blastocyst attaches itself to the endometrium lining
2) Enzymes are released to degrade the endometrium lining
3) Hormones are released from blastocyst to trigger its implantation to the uterine wall
Embryogenesis
The formation and development of an embryo
Endometrial Tissue Fluid
Provides oxygen and nutrition to the embryo to allow for its development
6-8 days
The time it takes for fertilization to implantation
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