Multiple choice

In mammals, the decidua forms the maternal part of the placenta. The part of the decidua which does not persists throughout the gestation period is _________.

  1. apsularis

  2. frondosum

  3. parietalis

  4. laeve

  5. basalis

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Chorion frondosum and the decidua basalis make up the placenta. Chorion laeve, or smooth chorion, is covered by decidua capsularis. As the fetus and chorion enlarges, the chorion laeve pushes against the decidua parietalis and the capsularis disappears.