Ramus of mandible
Ramus of Mandible
The Ramus of Mandible (pronunciation: /ˈreɪməs ɒv ˈmændɪbəl/) is a significant part of the mandibular bone in the human skull. The term "Ramus" originates from the Latin word 'Ramus' meaning 'branch'. In the context of the mandible, it refers to the vertical part of the lower jaw that connects to the condylar and coronoid processes.
Anatomy
The Ramus of Mandible is a quadrilateral shape and has two surfaces; the lateral surface and the medial surface. It has four borders; the anterior, posterior, superior, and inferior. The superior border is the most complex as it is the site of the condylar and coronoid processes.
Function
The primary function of the Ramus of Mandible is to provide a sturdy vertical support for the mandible. It also serves as an attachment point for several muscles that control mastication, including the masseter, temporalis, and medial pterygoid muscles.
Related Terms
- Mandible: The largest and strongest bone of the face that serves as a movable base for the tongue.
- Condyle: The rounded prominence at the end of a bone, most often at a joint.
- Coronoid process: A triangular eminence projecting forward from the upper and front part of the ulna.
- Masseter muscle: One of the muscles of mastication, found in the cheek area.
- Temporalis muscle: A broad, fan-shaped muscle on each side of the head that assists in closing the jaw.
- Medial pterygoid muscle: A muscle of mastication with its origin in the pterygoid process of the sphenoid bone.
External links
- Medical encyclopedia article on Ramus of mandible
- Wikipedia's article - Ramus of mandible
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