Articular disk of the temporomandibular joint
- Articular disk of the temporomandibular joint
Infobox Anatomy
Name = PAGENAME
Latin = discus articularis articulationis temporomandibularis
GraySubject = 75
GrayPage = 298
Caption = Sagittal section of the articulation of the mandible. (Articular disk visible at center.)
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Artery =
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Lymph =
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DorlandsPre = d_22
DorlandsSuf = 12300682
The articular disk is a thin, oval plate, placed between the condyle of the mandible and the 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.
Its "under surface", in contact with the condyle, is concave.
Its circumference is connected to the articular capsule; and in front to the tendon of the Pterygoideus externus.
It is thicker at its periphery, especially behind, than at its center.
The fibers of which it is composed have a concentric arrangement, more apparent at the circumference than at the center.
It divides the joint into two cavities, each of which is furnished with a synovial membrane.
ee also
* Articular disk
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Articular disk — Infobox Anatomy Name = Articular disk Latin = discus articularis GraySubject = 70 GrayPage = 285 Caption = Diagrammatic section of a diarthrodial joint, with an articular disk. Caption2 = Vertical section through the articulations at the wrist,… … Wikipedia
temporomandibular joint syndrome — n a group of symptoms that may include pain or tenderness in the temporomandibular joint or surrounding muscles, headache, earache, neck, back, or shoulder pain, limited jaw movement, or a clicking or popping sound in the jaw and that are caused… … Medical dictionary
articular disk — n a cartilage (as the meniscus of the temporomandibular joint) interposed between two articular surfaces and partially or completely separating the joint cavity into two compartments * * * 1. discus articularis. 2. meniscus articularis … Medical dictionary
temporomandibular joint — n the diarthrosis between the temporal bone and mandible that includes the condyloid process below separated by an articular disk from the glenoid fossa above and that allows for the opening, closing, protrusion, retraction, and lateral movement… … Medical dictionary
Temporomandibular joint — Infobox Anatomy Name = Temporomandibular joint Latin = articulatio temporomandibularis GraySubject = 75 GrayPage = 297 Caption = Articulation of the mandible. Lateral aspect. Caption2 = Articulation of the mandible. Medial aspect. Precursor =… … Wikipedia
temporomandibular joint syndrome — noun : a group of symptoms that may include pain in the temporomandibular joint, headache, earache, neck, back, or shoulder pain, limited jaw movement, or a clicking or popping sound in the jaw and that are caused either by dysfunction of the… … Useful english dictionary
temporomandibular disorder — n TEMPOROMANDIBULAR JOINT SYNDROME abbr. TMD * * * (TMD), temporomandibular joint disorder (TMJD) chronic facial pain associated with dysfunction of some combination of the temporomandibular joint, jaw muscles, and associated nerves. The most… … Medical dictionary
intracapsular temporomandibular joint arthroplasty — operative recontouring of the articular surface of the mandibular condyle without the removal of the articular disk … Medical dictionary
Joint — A joint is the area where two bones are attached for the purpose of motion of body parts. A joint is usually formed of fibrous connective tissue and cartilage. An articulation or an arthrosis is the same as a joint. Joints are grouped according… … Medical dictionary
joint — /joynt/, n. 1. the place at which two things, or separate parts of one thing, are joined or united, either rigidly or in such a way as to permit motion; juncture. 2. a connection between pieces of wood, metal, or the like, often reinforced with… … Universalium
