| articular disk | A plate or ring of fibrocartilage attached to the joint capsule and separating the articular surfaces of the bones for a varying distance, sometimes completely; it serves to adapt two articular surfaces that are not entirely congruent. Synonym: discus articularis, articular disk, fibrocartilago interarticularis, fibroplate, interarticular fibrocartilage, intra-articular cartilage. (05 Mar 2000) |
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| articular eminence of temporal bone | Articular eminence of the temporal bone which bounds the mandibular fossa anteriorly; it forms the anterior root of the zygomatic process; it is enclosed by the articular capsule of the temporomandibular joint with the articular fossa; the head of the mandible (and intervening articular disc) move onto the articular tubercle to allow full depression of mandible (opening of mouth). Synonym: tuberculum articulare ossis temporalis, articular eminence of temporal bone, eminentia articularis ossis temporalis, tuber zygomaticum. (05 Mar 2000) |
| articular facet | A relatively small articular surface of a bone, especially a vertebra. (05 Mar 2000) |
| articular fossa of temporal bone | A deep hollow in the squamous portion of the temporal bone at the root of the zygoma, in which rests the condyle of the mandible. Synonym: cavitas glenoidalis, fossa mandibularis, articular fossa of temporal bone, glenoid cavity, glenoid fossa, glenoid surface. (05 Mar 2000) |
| articular fracture | A fracture involving the joint surface of a bone. (05 Mar 2000) |
| articular labrum | A fibrocartilaginous lip around the margin of the concave portion of some joints. Synonym: labrum articulare, articular lip. (05 Mar 2000) |
| articular lamella | The compact layer of bone on its articular surface that is firmly attached to the overlying articular cartilage. (05 Mar 2000) |
| articular leprosy | A late stage of anaesthetic leprosy. Synonym: mutilating leprosy. (05 Mar 2000) |
| articular lip | A fibrocartilaginous lip around the margin of the concave portion of some joints. Synonym: labrum articulare, articular lip. (05 Mar 2000) |
| articular margin | A ring of fibrocartilage attached to the margin of the glenoid cavity of the scapula to increase its depth. Synonym: labrum glenoidale, articular margin, circumferential cartilage, glenoid ligament, glenoidal lip, ligamentum glenoidale. (05 Mar 2000) |
| articular meniscus | A crescent-shaped intra-articular fibrocartilage found in certain joints. Synonym: meniscus articularis, articular crescent, intra-articular cartilage. (05 Mar 2000) |
| articular muscle | <anatomy> A muscle that inserts directly onto the capsule of a joint, acting to retract the capsule in certain movements. Synonym: musculus articularis. (05 Mar 2000) |
| articular muscle of elbow | <anatomy> The name applied to a small slip of the medial head of the triceps that inserts into the capsule of the elbow joint. Synonym: musculus articularis cubiti, articular muscle of elbow, subanconeus muscle. (05 Mar 2000) |
| articular muscle of knee | <anatomy, muscle> Origin, lower fourth of anterior surface of shaft of femur; insertion, suprapatellar bursa of knee joint; action, retracts suprapatellar bursa, during extension of knee; nerve supply, femoral. Synonym: musculus articularis genus, articular muscle of knee, Dupre's muscle, subcrural muscle, subcruralis, subcrureus, subquadricipital muscle. (05 Mar 2000) |
| articular nerve | <anatomy, nerve> A branch of a nerve supplying a joint. Synonym: nervus articularis. (05 Mar 2000) |
| posterior talar articular surface of calcaneus | Articulates with talus (subtalar joint) posterior to sinus tarsi. Synonym: facies articularis talaris posterior calcanei. (05 Mar 2000) |
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| cuboidal articular surface of calcaneus | The saddle-shaped surface on the anterior end of the calcaneus for articulation with the cuboid bone. Synonym: facies articularis cuboidea calcanei. (05 Mar 2000) |
| navicular articular surface of talus | The large convex surface on the head of the talus for articulation with the navicular bone. Synonym: facies articularis navicularis tali. (05 Mar 2000) |
| sternal articular surface of clavicle | The oval surface on the sternal end of the clavicle that articulates with the fibrocartilaginous disk of the sternoclavicular joint. Synonym: facies articularis sternalis claviculae. (05 Mar 2000) |
| sternoclavicular articular disk | The fibrocartilaginous disk that subdivides the sternoclavicular joint into two cavities. Synonym: discus articularis sternoclavicularis, sternoclavicular disk, sternoclavicular articular disk. (05 Mar 2000) |
| superior articular facet of atlas | One of two concave articular surfaces on the superior aspect of the lateral masses of the atlas that articulate with the occipital condyles. Synonym: facies articularis superior atlantis, fovea articularis superior atlantis, superior articular pit of atlas. (05 Mar 2000) |
| superior articular pit of atlas | One of two concave articular surfaces on the superior aspect of the lateral masses of the atlas that articulate with the occipital condyles. Synonym: facies articularis superior atlantis, fovea articularis superior atlantis, superior articular pit of atlas. (05 Mar 2000) |
| superior articular process of sacrum | The large process on each side of the sacrum posteriorly that articulates with the corresponding inferior articular process of the fifth lumbar vertebra. Synonym: processus articularis superior ossis sacri. (05 Mar 2000) |
| superior articular surface of tibia | The articular surface on the proximal end of the tibia that is divided into medial and lateral portions for articulation with the condyles of the femur. Synonym: facies articularis superior tibiae. (05 Mar 2000) |
| dislocation of articular processes | Complete dislocation of one or both articular processes, usually with overriding of the inferior articular process of the vertebra above into a position anterior to the superior articular process of the vertebra below. Synonym: locked facets. (05 Mar 2000) |
| inferior articular facet of atlas | One of two concave surfaces on the lateral masses of the atlas that articulate with corresponding surfaces on the axis. Synonym: facies articularis inferior atlantis, fovea articularis inferior atlantis, inferior articular pit of atlas. (05 Mar 2000) |
| inferior articular pit of atlas | One of two concave surfaces on the lateral masses of the atlas that articulate with corresponding surfaces on the axis. Synonym: facies articularis inferior atlantis, fovea articularis inferior atlantis, inferior articular pit of atlas. (05 Mar 2000) |
| inferior articular surface of tibia | The quadrilateral surface on the distal end of the tibia for articulation with the talus; it is concave anteroposteriorly and broader anteriorly. Synonym: facies articularis inferior tibiae. (05 Mar 2000) |
| intra-articular | Within the cavity of a joint. Origin: intra-+ L. Articulus, joint (05 Mar 2000) |
| intra-articular cartilage | A plate or ring of fibrocartilage attached to the joint capsule and separating the articular surfaces of the bones for a varying distance, sometimes completely; it serves to adapt two articular surfaces that are not entirely congruent. Synonym: discus articularis, articular disk, fibrocartilago interarticularis, fibroplate, interarticular fibrocartilage, intra-articular cartilage. (05 Mar 2000) |