Embryology Flashcards
1
Q
What are placodes?
A
ectodermal thickenings with neurogenic potential that appear in pairs on the developing head. They contribute important components to the special senses.
2
Q
How many facial prominences? What do they arise from?
A
5
Neural crest cells
3
Q
Depression in the ectoderm surrounded by five facial prominences. Future site of the mouth.
A
Stomodeum