On the lower surface of the basilar part of occipital bone, about 1 cm. in front of the foramen magnum, is the pharyngeal tubercle which gives attachment to the fibrous raphC) of the pharynx, also known as the pharyngeal raphe. This is the point of attachment for the superior pharyngeal constrictor muscle. [ http://en.wikipedia.org/wiki/Pharyngeal_tubercle ]