mesenchyme

  1. R

    endoderm, mesoderm, ectoderm, mesenchyme....

    I'm studying for my NBDE1 and I'm confused about the relationship between ectoderm, mesenchyme and mesectoderm. I believe endoderm and mesoderm are completely separate from these 3 I just listed..... (not sure again). Could anyone shed any light on this? Especially the relationship between...