embryonic stem cells (can turn into many things) + trophoblast stem cells (placenta) + primitive endoderm stem cells (yolk sack) + time and proper environment = gastrulation “the embryo transforms from being a single layer to three layers: an inner layer (endoderm), middle layer (mesoderm) and outer layer (ectoderm), determining the tissues or organs into which the cells will then develop.” https://www.varsity.co.uk/science/15963

embryonic stem cells (can turn into many things)
+
trophoblast stem cells (placenta)
+
primitive endoderm stem cells (yolk sack)
+
time and proper environment
=
gastrulation
 
“the embryo transforms from being a single layer to three layers: an inner layer (endoderm), middle layer (mesoderm) and outer layer (ectoderm), determining the tissues or organs into which the cells will then develop.”
 
https://www.varsity.co.uk/science/15963

Leave a comment

Your email address will not be published. Required fields are marked *


6 − two =

Leave a Reply