pharyngeal tubercle pharyngeal tubercle the pharyngeal tubercle is a part of the occipital bone of the head and neck. it is located on the lower surface of the basilar part of occipital bone. it is the site of attachment of the pharyngeal raphe. pharyngeal tubercleoccipital bone. outer surface. (pharyngeal tubercle not labeled but visible at bottom, at center of box, labeled as attachment point of constrictor pharyngis superior.)base of skull. inferior surface. (pharyngeal tubercle labeled at right, eighth from the bottom.)detailspart ofoccipital bonesystemskeletalidentifierslatintuberculum pharyngeumta98a02.1.04.007ta2555fma75746anatomical terms of bone structure the pharyngeal tubercle is located on the lower surface of the basilar part of occipital bone. this about 1 cm anterior to the foramen magnum. function the pharyngeal tubercle gives attachment to the fibrous raphe of the pharynx, also known as the pharyngeal raphe. this connects with the superior pharyngeal constrictor muscle.