Vincula tendina

Vincula tendina are small fibrous bands in the fingers that connect the flexor digitorum superficialis and flexor digitorum profundus tendons to the phalanges of the fingers. The term "vincula" is derived from the Latin word "vinculum", which means "bond" or "tie".

Etymology

The term "vincula tendina" is derived from the Latin words "vinculum" and "tendina". "Vinculum" means "bond" or "tie", and "tendina" is the diminutive form of "tendo", which means "tendon". Thus, "vincula tendina" can be translated as "small bonds of the tendons".

Anatomy

The vincula tendina are composed of two types: the long vinculum (vinculum longum) and the short vinculum (vinculum breve). The long vinculum extends from the flexor digitorum superficialis tendon to the middle phalanx, while the short vinculum extends from the flexor digitorum profundus tendon to the distal phalanx.

The vincula tendina serve to carry blood vessels to the tendons, thus playing a crucial role in the nutrition of the tendons. They also help in stabilizing the tendons and preventing them from bowstringing.

Clinical significance

Injury to the vincula tendina can lead to tendon necrosis due to disruption of the blood supply. This can result in loss of finger function. Treatment typically involves surgical repair of the injured vinculum.

Related terms

• Flexor digitorum superficialis
• Flexor digitorum profundus
• Phalanges
• Tendon

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