Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
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.
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