Embryonic Development Flashcards
1
Q
Ectodermal germ layer
A
Outside world contact Derivatives - CNS,PNS, sensory epithelium of ear, nose, eye, skin -pituitary, mammary, sweat glands Teeth Neural crest
2
Q
Mesodermal germ layer
A
Myotomes- muscle
Sclerotome- bone (via mesenchymal cells)
Dermatomes- skin
3
Q
Endodermal germ cells
A
Epithelial lining of GI tract Respiratory Urinary bladder Liver Pancreas Eustachian tube Thyroid, parathyroids