FTM 77 - Early Embryology

Question 1

Answer 1

Question 2

Discuss what occurs from the moment the spern nucleus enters the cytoplasm of the oocyte to moment a zygote forms

Answer 2

Question 3

What is the normal site of egg fertilization?

Answer 3

Ampulla of Fallopian tube

Question 4

Discuss the cleavage phase of week 1

Answer 4

Question 5

Answer 5

Question 6

Discuss the blastocyst formation phase of week 1

Answer 6

Question 7

Answer 7

Question 8

Discuss what forms during the implantation phase

Answer 8

Question 9

Answer 9

Question 10

What are the main events occuring in week 2

Answer 10

Completion of implantation

Beginning of primordial uteroplacental circulation

Fomation of the bilaminar disc and two cavities

Question 11

What occurs during the completion of implantation?

Answer 11

Question 12

What are the signs, symptoms, causes, sequelae, and treatment of an ectopic pregnancy?

Answer 12

Question 13

Discuss the events of the embryoblast bilaminar disc formation

Answer 13

Question 14

Answer 14

Question 15

Discuss the events of the chorion and umbilical vesicle formation

Answer 15

Question 16

Answer 16

Question 17

Discuss the development of chorionic villi

Answer 17

Question 18

Answer 18

Question 19

Answer 19

Question 20

What is the clinical importance of the chorionic villi

Answer 20

Question 21

Describe how the uteroplacental circulation begins to form

Answer 21

Question 22

Answer 22

Question 23

What are the three major cavities that form during the second week?

Answer 23

Question 24

What is gastrulation and when does it begin?

Answer 24

A phase early in the embryonic development of most animals during which the single-layered blastula is reorganized into a trilaminar (three-layered) structure known as the gastrula. These three germ layers are known as the ectoderm, mesoderm, and endoderm. In humans this begins in week three