Multiple choice

In mammals, generally which of the following develop into the placenta?

  1. Trophectoderm

  2. Inner cell mass of the blastocyst

  3. Decidua

  4. Myoblast cells

  5. Stromal cells
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The developing embryo has two main populations of cells: an inner cell mass and a trophectoderm. The trophectoderm cells lie at the outer surface of the developing embryo and will become the placenta.

Keep practicing — related questions