Crico-arytenoid joint
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The cricoarytenoid joint is a joint connecting the cricoid cartilage and the
arytenoid cartilage The arytenoid cartilages () are a pair of small three-sided pyramids which form part of the larynx. They are the site of attachment of the vocal cords. Each is pyramidal or ladle-shaped and has three surfaces, a base, and an apex. The arytenoid ...
. It is a very shallow ball-and-socket joint. It allows for rotation and gliding motion. This controls the abduction and adduction of the vocal cords.


Structure

The cricoarytenoid joint is a very shallow ball-and-socket joint.


Function

The cricoarytenoid joint allows for rotation and gliding motion. The extent of rotation is significant, while the extent of gliding is limited. The cricoarytenoid joint controls the abduction and adduction of the vocal cords. It is moved by many of the intrinsic muscles of the larynx.


History

The cricoarytenoid joint was first described by Galen.


See also

*
Cricoarytenoid muscle Cricoarytenoid muscles are muscles that connect the cricoid cartilage and arytenoid cartilage. More specifically, it can refer to: * Posterior cricoarytenoid muscle * Lateral cricoarytenoid muscle The lateral cricoarytenoid (also anterior cricoa ...


References


External links

* () {{Authority control Human head and neck Joints Joints of the head and neck