Pharyngeal Apparatus

Question 1

Pharyngeal apparatus

Answer 1

1. Most typical feature in head and neck development is formation of pharyngeal (branchial) arches
2. 6 pairs of arches separated from each other externally by 4 pairs of pharyngeal clefts and internally by 4 pairs

Question 2

Pharyngeal apparatus parts

Answer 2

1. Pharyngeal arches
2. Pharyngeal clefts (ectoderm derivatives
3. Pharyngeal pouches (endoderm derivatives)
4. Birth defects involving pharyngeal region