Development of Orofacial Structures

Question 1

what bone is formed via both intermembranous ossification and endochondral ossification

Answer 1

temporal

intermembranous ossification - squamous part
endochondral ossification - styloid process

Question 2

scaphocephaly

Answer 2

premature closure of sagittal suture; long, narrow, and wedge shaped head

Question 3

brachycephaly

Answer 3

premature close of coronal suture; high, tower like cranium

Question 4

plagiocephaly

Answer 4

premature closure of coronal suture only on one side; cranium twists asymmetrically

Question 5

trigonocephaly

Answer 5

premature closure of the frontal (metopic) suture

Question 6

what separates the facial primordial from the primordial pharynx

Answer 6

oropharyngeal membrane

Question 7

ankyloglossia

Answer 7

short thick lingual frenulum

Question 8

glossoschissis

Answer 8

bifid tongue

Question 9

cleft lip

Answer 9

maxillary prominences and median nasal prominences

Question 10

cleft palate

Answer 10

secondary palate to incisive fossa

lateral palatine processes with nasal septum or medial palatine processes