Ramus of the mandible

Definition

The ramus of the mandible is the vertical extension of the lower jawbone that connects to the main body (horizontal part) of the mandible. It serves as an attachment point for muscles involved in chewing and movement of the jaw.

Related terms

Mandibular Condyle: The upper end of the ramus that articulates with the temporal bone to form part of the temporomandibular joint (TMJ), allowing for jaw movement.

Coronoid Process:

A thin, triangular eminence on the anterior portion of the ramus, serving as an attachment point for one of the major muscles involved in closing the mouth, the temporalis muscle.

Temporomandibular Joint (TMJ): A hinge and gliding joint formed by articulations between temporal bone and mandibular condyle that allows movements necessary for speaking and chewing