Implantation Flashcards
Define implantation.
Implantation is the embedding of the fertilised egg into the lining of the uterus
When does implantation occur?
About 6 to 9 days after fertilisation
What occurs about 6 to 9 days after fertilisation?
Implantation
What has the zygote grown into by the time implantation occurs?
An embryo
Is it a zygote or an embryo that is implanted into the uterus?
An embryo
What develops around the embryo during implantation?
A membrane called the amnion
What is the amnion?
The membrane that develops around the embryo during implantation
When is the amnion developed?
It is developed during implantation
What is the function of the amnion?
It secretes amniotic fluid
What secretes amniotic fluid?
The amnion
What is the function of the amniotic fluid?
It will surround and protect the embryo by acting as a shock absorber
How does the embryo get nutrients for the first four weeks?
It gets nutrient directly from the lining of the uterus
For how long does the embryo get nutrients directly from the lining of the uterus?
For the first four weeks
What does the lining of the uterus provide for the embryo for the first four weeks?
Nutrients
How does the embryo get nutrients after the first four weeks?
It gets it from the placenta
