First aid

Question 1

Inner layer of chorionic villi?

Answer 1

Cytotrophoblast

Question 2

Outer layer of chorionic villi, secretes hCG?

Answer 2

Syncytiotrophoblast

Question 3

Maternal component of placenta that is derived from the endometrium. Maternal Blood in lacunae?

Answer 3

Decidua basalis

Question 4

Duct that connects yolk sac to midgut lumen (omphalo-mesenteric duct)?

Answer 4

Vitelline duct= Obliterates in 7th week

Question 5

Partial closure, with patent portion attached to ileum. May have ectopic gastric mucosa–> melena, periumbilical pain, ulcers?

Answer 5

Meckel’s diverticulum

Question 6

Results from incomplete fusion of the paramesonephric ducts. Can lead to urinary tract abnormalities and miscarriages?

Answer 6

Bicornuate uterus

Question 7

Male internal genitalia, ambiguos external genitalia until puberty?

Answer 7

5 alpha reductase deficiency

Question 8

Develop both male and female internal genitalia and male external genitalia?

Answer 8

No sertoli cells or lack of MIF