Pharyngeal Arches & Face

1.Describe the development and congenital anomalies of palate

2.Derivates of the components first pharyngeal arch

1.Neural crest

2.Development of tongue

3.Neural crest cells

4.Cleft palate

5.Derivatives of pharyngeal pouches

6.First branchial arch

7.Development of lips

1.Derivatives of second pharyngeal pouch

2.Mesodermal derivatives of second pharyngeal arch

3.Any four derivatives of neural crest cells

4.Development of tongue

5.Development of face

6.Name two bones derived from 2nd Pharyngeal arch

7.Two derivatives of second pharyngeal arch cartilage

8.The two processes from which upper lip develops

9.First pharyngeal pouch

10.Name the nerve and a muscle of third pharyngeal arch

1.Origin from neural crest

• i) Schwann cells
• ii) Neural tube
• iii) Melanoblasts
• iv) Suprarenal medulla
• a) i, ii, iii
• b) i, iii, iv
• c) i, ii, iv
• d) ii, iii

2.The tubotympanic recess, which forms the middle ear cavity develops from

• a) 1st and 2nd pharyngeal pouches
• b) 1st pharyngeal pouch
• c) 1st pharyngeal arch
• d) 3rd pharyngeal pouch