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FA - Reproduction > Repro5 > Flashcards

Repro5 Flashcards

1
Q

Fetal components of Placental development.

A

*Chorion frondosum:
Cytotrophoblasts
Syncytiotrophoblasts

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2
Q

Maternal component of Placental development.

A

Decidua basalis

  • Decidua capsularis
  • Decidua parietalis
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3
Q

Cytotrophoblasts.

A

Inner layer of chorionic villi

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4
Q

Syncytiotrophoblasts.

A

Outer layer of chorionic villi.

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5
Q

What do syncytiotrophoblasts secrete?

A

hCG

*structurally similar to LH; stimulates corpus luteum to secrete progesterone during 1st trimester

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6
Q

What is the Decidua basalis?

A

Derived from Endometrium

Portion underlying the implantation site and forms the maternal part of the placenta

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7
Q

What is the Decidua capsularis?

A

Portion overlying the implanted embryo and separating it from the Uterine cavity

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8
Q

What is the Decidua parietalis?

A

Remainder of the endometrium

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9
Q

What makes up the chorion?

A

XE Somatic Mesoderm
Cytotrophoblasts
Syncytiotrophoblasts

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10
Q

What 4 things make up the Placental barrier?

A
  • Chorion:
  • Syncytiotrophoblast
  • Cytotrophoblast
  • XE Mesenchym
  • Fetal Endothelium
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FA - Reproduction (6 decks)

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