Wk6 Placenta Histo Flashcards Preview

Endo/Repro > Wk6 Placenta Histo > Flashcards

Flashcards in Wk6 Placenta Histo Deck (12):
1

4 components of chorionic villi:

1. extraembryonic mesoderm

2. cytotrophoblasts

3. syncytiotrophoblasts (multinucleated)

4. blood vessels

2

Villi with trophoblasts ONLY:

primary villi

3

Villi with mesodermal core?

secondary villi

4

Villi containing blood vessels?

tertiary villi

5

Full of glycogen and lipid?

endometrial stromal cells

6

3 placental compartments:

1. decidua basalis

2. decidua capsularis

3. decidua parietalis

7

Adjacent to decidua basalis

2-4 tertiary villi each

cotyledons

8

How many umbilical arteries?

2

9

How many umbilical veins?

1

10

Which placental barrier cells disappear after twenty weeks?

cytotrophoblasts

11

Hormones not produced by syncytiotrophoblasts:

prolactin, PGs, relaxin

** produced by decidua cells

12

softens pubic symphysis prior to parturition

relaxin