LIGAMENTUM ALARE Meaning and
Definition
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The ligamentum alare is a term derived from Latin, referring to a structure found within the human body. It is composed of connective tissue and is specifically located in the head and neck region. It can be defined as a small ligament or a thin band that functions to provide support and stability to certain anatomical structures.
In terms of its anatomical location, the ligamentum alare is situated in the craniovertebral junction, connecting the odontoid process (a projection from the second cervical vertebra, also known as the axis) to the margin of the foramen magnum (an opening at the base of the skull). It runs on either side of the odontoid process, forming a well-defined connection between the spine and the skull.
The ligamentum alare plays a vital role in maintaining the stability of the atlantoaxial joint, which is the joint between the first (atlas) and second (axis) vertebrae. This ligament restricts excessive rotation and forward displacement of the odontoid process, thereby preventing potential injuries and ensuring the proper alignment of the vertebrae.
Overall, the ligamentum alare serves as an essential part of the intricate network of ligaments and connective tissues that support the various joints and structures of the head and neck region, enabling coordinated movement and maintaining the stability of the craniovertebral junction.
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(1) Alar ligament, odontoid or check ligament, one of two short stout bands between the side of the odontoid process of the axis and the tubercle on the inner aspect of the condylar portion of the occipital bone; (2) blica alaris.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for LIGAMENTUM ALARE
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Etymology of LIGAMENTUM ALARE
The word "ligamentum alare" has Latin origins. "Ligamentum" comes from the Latin word "ligāmentum", meaning "a band or tie" or "that which binds", while "alare" is derived from the Latin word "alāris", meaning "pertaining to the wings" or "wing-like".
In anatomy, the term "ligamentum alare" refers to a pair of fibrous structures in the human nose that help support the lateral cartilage and maintain the shape of the nose. The use of "alare" in this context likely refers to the wing-like appearance or position of these ligaments.
