Multiple choice

Which one of the following is the outer layer of trophoblast?

  1. Cytotrophoblast

  2. Blastocyst

  3. Syncytiotrophoblast

  4. Intermediate trophoblast

  5. Endometrium

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

Thick outer layer that lacks cell boundaries and grows into the endometrial stroma.