ARTICULATION ATLANTEOEPISTROPHICA Meaning and
Definition
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The term "articulation atlanteoepistrophica" refers to a specific joint structure found in the human body, particularly at the topmost cervical vertebrae, namely the atlas (C1) and axis (C2). This complex joint, also known as the Atlanta-axial joint, plays a crucial role in allowing the head to rotate and move in various directions.
The articulation atlanteoepistrophica comprises two primary components: the anterior atlantoaxial joint and the posterior atlantoaxial joint. The anterior joint forms a connection between the front surfaces of the atlas and axis, while the posterior joint involves the articulation between the rear surfaces of these two vertebrae.
This joint is highly specialized and allows for the crucial movement necessary for the rotation of the head, as well as extension and flexion. It permits rotation because of the unique structure of the axis vertebra, which possesses the "odontoid process" (also known as the dens). The dens of the axis fits into a space called the atlas arch, offering stability and structure to the joint.
The articulation atlanteoepistrophica is vital for everyday activities, such as turning the head from side to side or looking up and down. However, it is important to note that injuries or abnormalities affecting this joint can have severe implications, including limitations in head movement, pain, and potential damage to the spinal cord.
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Atlanteoepistrophic, atloaxoid, or atlanto-odontoid articulation.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for ARTICULATION ATLANTEOEPISTROPHICA
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