Human development Flashcards
(6 cards)
1
Q
Morula
A
The very first stage after fertilization, when the embryo is a solid ball of cells
2
Q
Blastula
A
hollow ball of cells that forms after the morula stage.
3
Q
Gastrula
A
the embryo forms three layers that will become different body parts.
4
Q
Ectoderm
A
develops into skin and nervous system
5
Q
Mesoderm
A
develops into muscle, bone, gonads, and circulatory and excretory system
6
Q
Endoderm
A
develops the digestive and respiratory tracts and portions of the liver and pancreas
