A 3-year-old boy has repeated episodes of sore throat and fever. He undergoes surgery to remove collections of lymphoid tissue that lie on each side of the oropharynx between the palatoglossal and palatopharyngeal arches. The removed structures developed from which of the following pharyngeal pouches?

A 3-year-old boy has repeated episodes of sore throat and fever. He undergoes surgery to remove collections of lymphoid tissue that lie on each side of the oropharynx between the palatoglossal and palatopharyngeal arches. The removed structures developed from which of the following pharyngeal pouches?



(A)first
(B)Second
(C)Third
(D)Fourth
(E)Fifth

Answer: B: Second