Branchial Arch Formation

Question 1

What do the branchial arches (apparatus) consist of?

Answer 1

1. arches (apparatus)
2. grooves
3. membranes
4. pouches (pharyngeal)

Question 2

What gives us the branchial arches?

Answer 2

growth of cells

Question 3

what gives us the branchial grooves?

Answer 3

depressions b/w the arches

Question 4

the branchial arches and branchial grooves are where to the primitive mouth (stomodeum)?

Answer 4

INFERIOR/BELOW the stomodeum

Question 5

each arch has mesenchyme from what cell layers?

Answer 5

from neural crest cells, BUT, a little of ectoderm cells, and endoderm cells.
The MAJORITY will be mesenchyme.
BUT ALL the ARCHES will have ectoderm and endoderm

Question 6

the branchial arches are covered externally by what cell layer?

Answer 6

ectoderm

Question 7

the branchial arches are lined internally by what cell layer?

Answer 7

endoderm

Question 8

the branchial arches surround and support what?

Answer 8

the primitive pharynx

Question 9

each of these arches will have distinct?

Answer 9

anatomical ending

Question 10

the arch will be the beginning part, then it will turn into?

Answer 10

something specific