Tonsillar fossa is bounded anteriorly by: (A) Pharyngobasilar fascia, (B) Palatopharyngeal fold, (C) Buccopharyngeal fascia, (D) Palatoglossal fold
Answer is D. Tonsilar fossa is bounded by Anterior - Palatoglossal fold containing palatoglossal muscle Posterior - Palatopharyngeal fold containing palato pharyngeal muscle Apex - Soft palate, where both arches meet Base - Dorsal surface of posterior one-third of tongue. (Ref: Anatomy of head, neck and brain. Vishram Singh. P 227 )