NEET PG DENTAL EXAM

Detailed explanation-1: -The second pharyngeal pouch develops into the palatine tonsils, a secondary lymphoid organ playing a role in protecting the body from pathogens passing through the pharynx.

Detailed explanation-2: -Second branchial arch: Arch: stapes, the body of the hyoid, lesser horn of hyoid, muscles of facial expression, and CNVII. Pouch: palatine tonsil.

Detailed explanation-3: -Pharyngeal pouches are endodermal out-pockets occurring between the pharyngeal arches in embryological development. Various transcription factors regulate the mechanical bending of the endodermal tube, resulting in pharyngeal pouch formation.