Description
The oblique lines (external oblique ridges) are the two ridges found along the external surface of the body of the mandible. On its corresponding side, each oblique line:
—is continuous superiorly with the anterior border of a ramus of the mandible and extends anteroinferiorly towards a mental tubercle;
—forms the lateral boundary of a retromolar fossa;
—provides an origin site for the depressor anguli oris muscle.
Related parts of the anatomy
