Branchial Apparatus Flashcards

1
Q

Branchial clefts are derived from

A

Ectoderm.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Brachial arches derived from

A

Mesoderm (muscles and arteries), and neural crest (bone and cartilage)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Branchial pouches

A

Endoderm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

1st branchial cleft derivative

A

external auditory meatus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

2nd through 4th branchial clefts

A

Temporary cervical sinus. Oliberated by proliferation of mesenchyme of second arch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Persistant cervical sinus presnts as?

A

Branchial cleft cyst in lateral neck

How well did you know this?
1
Not at all
2
3
4
5
Perfectly