part of part of Homo sapiens tetrapod frontal bone frontal crest of frontal bone 2026-03-19T00:00:00Z A crest projecting from the internal surface of the frontal bone in the midline, descending from the foramen cecum toward the groove for the superior sagittal sinus. It provides attachment for the falx cerebri. skeletal element projection crest David Osumi-Sutherland