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Embryology
Branchial apparatus
34
Medical
Graduate
02/03/2014
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Term
clefts are derived from
 Definition
ectoderm
Term
arches are derived from
 Definition
mesoderm and neural crest
Term
pouches are derived from
 Definition
endoderm
Term
external auditory meatus
 Definition
1st branchial cleft
Term
temporary cervical sinuses
 Definition
2nd through 4th branchial clefts
Term
meckel's cartilage
 Definition
1st arch
Term
mandible
 Definition
1st branchial arch
Term
malleus
 Definition
1st arch
Term
muscles of mastication
 Definition
1st arch
Term
mylohyoid
 Definition
1st arch
Term
CN five
 Definition
1st arch - maxillary and mandibular
Term
treacher-collins syndrome
 Definition
1st arch neural crest fails to migrate -> mandibular hypoplaia, facial abnormalities
Term
reichert's cartilage
 Definition
2nd arch
Term
stapes
 Definition
2nd arch
Term
styloid process
 Definition
2nd arch
Term
stylohyoid
 Definition
2nd arch
Term
stapedius
 Definition
2nd arch
Term
stylohyoid
 Definition
2nd arch
Term
facial nerve
 Definition
2nd arch
Term
stylopharyngeus
 Definition
3rd arch
Term
glossopharyngeal nerve
 Definition
3rd arch
Term
congenital pharyngocutaneous fistula
 Definition
fistula between tonsillar area, cleft in lateral neck
Term
cricothyroid
 Definition
4th arch
Term
pharyngeal constrictors
 Definition
4th arch
Term
levator veli palatini
 Definition
4th arch
Term
intrinsic muscles of larynx except cricothyroid
 Definition
6th arch
Term
vagus nerve
 Definition
4th and 6th arch
Term
middle ear cavity
 Definition
1st pouch
Term
eustachian tube
 Definition
1st pouch
Term
mastoid air cells
 Definition
1st pouch
Term
epithelial lining of palatine tonsil
 Definition
2nd pouch
Term
inferior parathyroids
 Definition
3rd pouch
Term
thymus
 Definition
3rd pouch
Term
superior parathyroids
 Definition
4th pouch
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