Anatomy of Chorion
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Questions and Answers

What is the primary function of the Chorion Frondosum?

  • To form the fetal part of the placenta (correct)
  • To facilitate atrophy of villi
  • To provide a smooth surface for implantation
  • To form the maternal part of the placenta

What is the layer of the chorion that is in contact with the decidua basalis?

  • Cytotrophoblast
  • Primary mesoderm
  • Chorion Frondosum (correct)
  • Syncitiotrophoblast

What is the process that occurs in the Chorion Laevé?

  • Atrophy of villi (correct)
  • Enlargement of villi
  • Division of villi
  • Branching of villi

What is the outermost layer of the chorion?

<p>Syncitiotrophoblast (D)</p> Signup and view all the answers

What is the layer of the chorion that is in contact with the decidua capsularis?

<p>Chorion Laevé (C)</p> Signup and view all the answers

What is the major difference between the primary villus and the secondary villus?

<p>The presence of mesoderm (D)</p> Signup and view all the answers

Which type of villus is characterized by the presence of four layers?

<p>Tertiary Villus (A)</p> Signup and view all the answers

What is the function of the anchoring villi?

<p>To attach to the decidua basalis (A)</p> Signup and view all the answers

Which of the following statements about the chorionic villi is true?

<p>They are derived from the trophoblast (C)</p> Signup and view all the answers

What is the innermost layer of the tertiary villus?

<p>Fetal blood vessels (D)</p> Signup and view all the answers

Flashcards

Chorion Frondosum Function

Forms the fetal part of the placenta.

Chorion Frondosum Contact

Part of the chorion in contact with decidua basalis.

Chorion Laeve Process

Villi atrophy occurs in Chorion Laeve.

Chorion Outermost Layer

Syncytiotrophoblast is the outermost layer of the chorion.

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Chorion Laeve Contact

Chorion Laeve touches the decidua capsularis.

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Primary vs. Secondary Villus

The main difference is the presence of mesoderm in secondary villi.

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Tertiary Villus Layers

Tertiary Villus has four layers.

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Anchoring Villi Function

Attaches to decidua basalis.

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Chorionic Villi Origin

Chorionic villi are from the trophoblast.

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Tertiary Villus Innermost Layer

Fetal blood vessels are in the innermost layer of the tertiary villus.

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