Embryotic Developmet Flashcards
1
Q
What are the three layers of the blastula
A
Ectoderm
Mesoderm
Endoderm
2
Q
What develops in ectoderm
A
Skin and nervous systemic
3
Q
What develops in mesoderm
A
Kidneys Skeleton Muscles Blood vessels Reproductive organs
4
Q
What develops in endoderm
A
Lungs
Liver
Lining of the digestive system
5
Q
What happens in the first trimester
A
Brain and spinal cord are forming, Fingers Toes Ears Kidneys Lungs, livers, muscles
6
Q
What happens during the second trimester
A
Fetus can survive outside of its mother
Fetal movements are felt with specialized care
7
Q
What happens during the third trimester
A
Cells form a skin and nervous system
Middle layer called measles em makes kidneys
Muscles
Blood vessels
Reproductive organs
Bones
Inner layer endoderm makes lungs liver longing of the digestive system