Cricoarytenoid joint

Study entry

Classification

Synovial, one on each side, close to the condyloid type.

Surfaces

Base of each arytenoid cartilage with the superolateral surface of the lamina of the cricoid cartilage.

Capsule

Capsule of its own. [CHECK]

Movements

Gliding of the arytenoids, toward or away from each other, tilting forward and backward and rotation. These movements bring together, tense and relax the vocal folds.

Blood supply

[CHECK: Moore does not describe it in the passages consulted (look in another source).]

Innervation

[CHECK: Moore does not describe it in the passages consulted (look in another source).]

Source: cap. 9, «Esqueleto laríngeo» (fig. 9-33 B e E)

Other structures in this region

• Stylohyoid ligament
• Pterygospinous ligament
• Thyrohyoid membrane (median and lateral thyrohyoid ligaments)
• Median cricothyroid ligament
• Cricothyroid joint
• Joints of the auditory ossicles (incudomalleolar and incudostapedial)
• Gomphosis (dentoalveolar syndesmosis)
• Temporomandibular joint (TMJ)