10-17-2006, 01:30 PM
A newborn child has an abnormally formed mandible, ears, and palate. He is diagnosed with mandibulofacial dystosis. This is to abnormal development of:
a- first pharyngeal arch
b- first pharyngeal cleft
c- second pharyngeal arch
d- second pharyngeal cleft
e- third pharyngeal cleft
f- Third pharyngeal arch
a- first pharyngeal arch
b- first pharyngeal cleft
c- second pharyngeal arch
d- second pharyngeal cleft
e- third pharyngeal cleft
f- Third pharyngeal arch