Chapter1

Question 1

Development Week 1

Answer 1

Fertilization
2 cell
Morula (16cells)
Blastocyst
Implantation

Question 2

How can you increase the amount of cells

Answer 2

Cleavage (mitotic division)

Question 3

What is the name of the cells that are in this increase in amount of cells stage?

Answer 3

Blastomeres

Question 4

16cell process is called a :

Answer 4

Morula

Question 5

Inner cell mass develops into the

Answer 5

Blastocyst

Question 6

Outer cell mass develops into

Answer 6

the Trophoblast

Question 7

Where does fertilization take place?

Answer 7

Ampulla

Question 8

What is the name of the tissue where trophoblast invades

Answer 8

Epithelium

Question 9

What is an abnormal pregnancy called

Answer 9

Ectopic pregnancy

Question 10

Inner cells of trophoblast

Answer 10

Cytotrophoblast

Question 11

Outer cells of trophoblast

Answer 11

Synciotrophoblast

Question 12

Future cytotrophoblast is surrounded by

Answer 12

Syncytium

Question 13

Blastocyst aka inner cell mass is divide into

Answer 13

Epiblast

Hypoblast

Question 14

Bilaminar disc is aka to

Answer 14

Epiblast and Hypoblast

Question 15

What forms the primitive yolk sac

Answer 15

The Exocoelomic membrane and the Hypoblast

Question 16

Lining of the inside of the cytotrophoblast is the

Answer 16

chorionic plate

Question 17

What structures does the umbelical cord rise from

Answer 17

The connecting stalk

Question 18

Second week - week of 2’s

Answer 18

Trophoblast : cytro and syncytiotro

Embryo-blast: Epi and Hypo

Extra-embryonic mesoderm: Somatic and Splanchnic layers

Two cavities are: Amniotic and Yolk sac