articular bone


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articular bone

a bone present in the lower jaw of birds and reptiles that forms the joint with the skull (quadrate). In mammals it forms the MALLEUS.
References in periodicals archive ?
Both plain films and MRI revealed a thin fragment of bone off the anterior glenoid, and MRI revealed further information that it was everted based on bone signal intensity with articular bone deep and subchondral bone superficial.
Besides the distribution of Ca and P is not homogeneous in dental bone at the start of sexual differentiation, product mineral resorption from the skeleton including the operculum, articular bone and dental toward kype (Shearer & Hardy; Sugiura et al.).
When the balance is disturbed by a mechanical, biomechanical, or inflammatory insult, the internal cartilaginous remodeling system may fail, resulting in accelerated tissue breakdown and articular bone resorption [1].
(13) Vibrations of a tympanum (recent evidence suggests that the tympanum was supported by the reflected lamina of the angular bone) were conducted through the articular bone in the lower jaw, through the quadrate bone in the upper jaw, through the stapes, and into the uric capsule.
The lower jaw was almost completely made up of dentary bone; other minor components included the angular, surangular, and articular bones. The jaw joint was made up of the two most posterior bones, the quadrate on top and the articular on the bottom.
The deformation affects also the dental articular bone. This pathology is related to weight loss and increased mortality of the salmons.
The present work established that the JD affecting the anterior region of the dental and specially the articular bone of smolt and adult salmon does not compromise other facial bones (lacrimal, maxilar and premaxilar, which are normal).The supportive connective tissue of the lower jaw of the affected fishes is reduced.
Jaw and articular bones were fixed in 10% formaldehyde and 1% glutaraldehyde and processed for histology (hematoxylin.eosin, Alcian blue, Masson trichrome) histochemistry (Syrius red and von Kossa) and scanning electron microscopy (SEM).