Endo of Implantation

Question 1

The proliferative stage is dependent on _ only

Answer 1

estrogen

Question 2

The secretory stage mainly depends on

Answer 2

progesterone

Question 3

Definition of endometrial sensitivity

Answer 3

Period of endometrial maturation which allows for embro implantation

Question 4

Hormone for endometrial receptivity

Answer 4

progesterone

Question 5

endometrial sensitivity lasts _ days

Answer 5

4

Question 6

HcG prolongs the __ __

Answer 6

corpus luteum

Question 7

The __ is the stage in which the embryo attaches

Answer 7

blastocysts

Question 8

What dissolves during hatching

Answer 8

ZP

Question 9

Adhesion is done by the __ cells

Answer 9

The trophoblast cells adjacent to the ICM

Question 10

4 phases of implantation

Answer 10

apposition, adhesion, intrusion, invasion

Question 11

What surface does implantation occur?

Answer 11

Mid posterior surface of the endometrial

Question 12

The _ gradient attracts the trophoblast cells to the arterioles

Answer 12

oxygen

Question 13

The majority of villi from the trophoblasts float in lakes of ___ ___

Answer 13

maternal blood

Question 14

___ form through the fusion of ___ and directly oppose maternal blood

Answer 14

syncytiotrophoblasts; cytotrophoblasts

Question 15

__ are the mitotically active blasts

Answer 15

cytotrophoblasts

Question 16

Two enzymes that allow for invasion of endometrium by blastocyst

Answer 16

MPP, Urokinase