Germ Layer Differentiation Flashcards
1
Q
at what weeks the tube of G.I.T and respiratory tract separates?
A
at 3rd week
2
Q
- lining of g.i.t
- respiratory tract
- tonsils
- thymus gland (for immunity)
- thyroid gland (for basal metabolism)
- parathyroid gland (calcium metabolism)
- bladder and urethra
A
endoderm
3
Q
- connective tissues
- cartilages
- bones
- muscles and tendons
- heart
- circulatory system
- respiratory system
- kidney /// ureter
A
mesoderm
4
Q
- nervous system
- skin
- hair
- nails
- mucuos membrane of mouth and anus
A
ectoderm