Pregnancy Development

Question 1

Zygote undergoes series of subdivisions which reduce the amount of cytoplasm in the cells

Answer 1

Blastomeres

Question 2

Blastomeres subdivide for about 3 days to form these solid ball of cells

Answer 2

Morula

Question 3

The morula reaches the uterus about day 4 and during the next 2 days it develops into this hollow ball of cells

Answer 3

Blastocyst

Question 4

The inner cell lay becomes detached from the outer cell layer and the separation yields this fluid filled cavity

Answer 4

Amniotic cavity

Question 5

By the 12th day a third cell layer develops and the blastocyst become this structure

Answer 5

Gastrula

Question 6

During gastric stood 3 germ layers form to give rise to the various organ systems:

Answer 6

Ectoderm
Mesoderm
Endoderm

Question 7

The 3 germ layers form a sheet of cells called

Answer 7

Embryonic Disk

Question 8

When the secondary oocyte is fertilized it becomes a single cell

Answer 8

Zygote