Preimplantation Phase Flashcards
1
Q
what are the stages in preimplantation phase?
A
- fertilization
- zygote
- morula
- blastocyst
2
Q
define fertilization
A
union of sperm and ovum
3
Q
define zygote
A
newly formed cell w/diploid number of chromosomes
4
Q
define morula
A
solid mass of cells
5
Q
define blastocyst
A
fluid filled collection of cells
6
Q
What is important to know about blastocyst?
A
Blastocyst has HIGHLY invasive cells, which burrows in to the uterum lining
7
Q
the egg gets______, then it is called a _______, after zygote it is called ____?
A
fertilization; zygote; morula
