The pharyngeal diveiculum is a protustion of mucosa between-
Ans. is 'a' i.e., The two pas of inferior constrictor muscle of the pharynx
The two pas of inferior constrictor muslce of the pharynx
The two pas of middle constrictor muslce of the pharynx
The two pas of the superior constrictor muscle of the pharynx
Cricopharyngeal and posterior pa o suprahyoid membrane