embryology

the primary palate forms from which process?

frontonasal
Why does the tongue move from the pharynx to the oral cavity?

to move out of the way of the palatal shelves that 'snap' upward
in the case of cleft uvula, what happened?

palatal shelves (secondary palate) didn't fuse completely in the back
can you ever have a unilateral cleft of the secondary palate?

no, because the secondary palate forms when the bilateral shelves fuse with each other in the middle, so if one doesn't, the other won't have anything to fuse with either
the nasal septum forms from which process?

frontonasal process
snoring and other problems can be caused by a___________

deviated septum
base of tongue

copula
body of tongue

tuberculum impar
epiglottis

epiglottic swelling
the cells that anchor the tongue didnt' degenerate enough, so they restrict movement of the tongue

ankyloglossia
what is the purpose of the epiglottis?

it covers the trachea when we swallow food and water to stop us from drowning
the___________is the opening to the thyroglossal duct

foramen cecum
the fusion between the lateral lingual swellings creates the_____________ while the fusion between the body and the base of the tongue creates the__________
- median lingual sulcus
- sulcus terminalis
why is the tongue innervated by so many different nerves?

becuase it comes from so many different branchial arches

Author

sthomp88

51063

Card Set

embryology

Description

ch. five 3

Updated

2010-12-06T07:14:51Z

Show Answers