mandibular ramus


Also found in: Dictionary, Thesaurus, Encyclopedia.
Related to mandibular ramus: mandibular condyle, mandibular angle

mandibular ramus

Etymology: L, mandere, to chew, ramus, branch
a broad quadrilateral part of the mandible projecting upward from the posterior end of the body behind the lower teeth. It has two surfaces, four borders, and two processes.

mandibular ramus

The vertical portion of the mandible.
See also: ramus

man·dib·u·lar ra·mus

(man-dibyū-lăr rāmŭs)
The upturned perpendicular extremity of the mandible on either side; it gives attachment on its lateral surface to the masseter muscle.

ramus

pl. rami [L.] a branch, as of a nerve, vein or artery.

ramus communicans
pl. rami communicantes; a branch connecting two nerves or two arteries.
mandibular ramus
the vertical extension of each half of the mandible that ends at the coronoid process.
References in periodicals archive ?
The high condylectomy and disc repositioning procedure can be combined with one-stage simultaneous orthognathic surgery to correct the j aw deformity that will include mandibular ramus osteotomies and, when indicated, maxillary osteotomies (Figures 3b, IOb) (4, 45, 46).
Therefore, following the TMJ surgery, we perform the mandibular ramus sagittal split osteotomies with rigid fixation to place the mandible into its predetermined final position relative to the unoperated maxilla.
All patients underwent Le Fort I maxillary osteotomies and mandibular ramus sagittal split osteotomies with rigid fixation for counterclockwise advancement of the maxillomandibular complex.
After the necessary orthodontic treatment was completed, the following surgical procedures were performed at 1 operation (Figure 6): 1) multiple-segment Le Fort I osteotomies to advance the upper jaw 8 mm, 2) bilateral mandibular ramus sagittal split osteotomies to advance the lower jaw 16 mm, 3) a 5-mm chin implant, 4) a nasal septoplasty; 5) bilateral partial inferior turbinectomies, and 6) nasal columellar narrowing to enlarge the nostrils.
rheumatoid arthritis, psoriatic arthritis, scleroderma, Sjogren's syndrome, lupus, and ankylosing spondylitis); fibrous or bony ankylosis; absence of TMJ structures due to pathology, trauma, or congenital deformity; and tumors involving the condyle and mandibular ramus area.
The masticator space is a facial compartment that contains the muscles of mastication, the mandibular ramus, and various neurovascular structures.