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The articular disk of the temporomandibular joint is a thin, oval plate made of non-vascular fibrous connective tissue located between the mandible's condyloid process and the cranium's mandibular fossa. Its upper surface is concavo-convex from before backward, to accommodate itself to the form of the mandibular fossa and the articular tubercle ...
Since the mandible can go through a vast number of different movement paths, Posselt decided to start by studying the "border movements", a term he uses to denote the mandible's capacity for movement. Then he compared these with the habitual movements of the mandible. From the investigation, he concluded that:
the inferior border of the mandible (lingual surface) inferiorly; the medial pterygoid muscle medially (the space is superficial to medial pterygoid) the ascending ramus of the mandible laterally (the space is deep to the ramus of the mandible)
Rarely, the mylohyoid muscle may originate partially from other surfaces of the mandible. [2] The posterior (back) part of this line, near the alveolar margin , gives attachment to a small part of the superior pharyngeal constrictor muscle , and to the pterygomandibular raphe .
The lingula of the mandible is a prominent bony ridge on the medial side of the mandible. [1] It is next to the mandibular foramen. [1] It has a notch from which the mylohyoid groove originates. It gives attachment to the sphenomandibular ligament.
lesson1 at The Anatomy Lesson by Wesley Norman (Georgetown University) Anatomy photo:22:os-1006 at the SUNY Downstate Medical Center - "Osteology of the Skull: Mandible of Intact Skull" "Anatomy diagram: 34256.000-2". Roche Lexicon - illustrated navigator. Elsevier. Archived from the original on 2013-06-11.
In human anatomy, the facial skeleton of the skull the external surface of the mandible is marked in the median line by a faint ridge, indicating the mandibular symphysis (Latin: symphysis menti) or line of junction where the two lateral halves of the mandible typically fuse in the first year of life (6–9 months after birth). [1]
The mandibular nerve is one of three branches of the trigeminal nerve, and the only one having motor innervation.One branch of it, the inferior alveolar nerve, as well as the inferior alveolar artery, enter the foramen traveling through the body in the mandibular canal and exit at the mental foramen on the anterior mandible at which point the nerve is known as the mental nerve.