Connective Tissue
Accessory Collateral Ligaments of Distal Interphalangeal Joints of Hand (Right)
Ligamenta collateralia accessoria articulationum interphalangearum distalium manus
Read moreAnatomical Relations
The accessory collateral ligaments of the interphalangeal joints are fan-shaped, triangular fibrous bands that attach to each side of the interphalangeal joint, holding the joint firmly in place. They extend obliquely from the dorsal surface of the proximal phalanx to the palmar surface of the distal phalanx.
Related parts of the anatomy
Function
Each accessory collateral ligament, along with proper collateral ligaments, act as primary stabilizers the interphalangeal joint.
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Joint Ligament
Laxity of the TMJ ligaments → hypotonus of the temporal and masseter muscles → dropping of the jaw.
