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'''Common Flexor Sheath of Hand'''

The '''Common Flexor Sheath of Hand''' (also known as the '''Ulnar Bursa''') is a synovial sheath in the human hand that envelops the tendons of the [[Flexor Digitorum Superficialis]] and [[Flexor Digitorum Profundus]]. It is a part of the [[Hand Anatomy]] and plays a crucial role in the functioning of the hand.

==Etymology==
The term "Common Flexor Sheath of Hand" is derived from its commonality in enveloping the flexor tendons of the hand. The term "Ulnar Bursa" is derived from its location near the [[Ulna]], one of the two bones in the forearm, and "Bursa", a small fluid-filled sac that reduces friction between tissues of the body.

==Anatomy==
The Common Flexor Sheath of Hand extends from the level of the [[Transverse Carpal Ligament]] to the level of the heads of the [[Metacarpal Bones]]. It is continuous with the [[Digital Sheaths]] at the level of the [[Camper's Chiasm]], where the tendons of the Flexor Digitorum Superficialis split to allow the tendons of the Flexor Digitorum Profundus to pass through.

==Function==
The primary function of the Common Flexor Sheath of Hand is to reduce friction between the flexor tendons and the surrounding structures during hand movements. This allows for smooth and efficient movement of the fingers.

==Clinical Significance==
Inflammation or infection of the Common Flexor Sheath of Hand can lead to conditions such as [[Tenosynovitis]] or [[Infectious Flexor Tenosynovitis]]. These conditions can cause pain, swelling, and limited movement of the hand and fingers.

==Related Terms==
* [[Flexor Tendon Sheath]]
* [[Synovial Sheath]]
* [[Flexor Digitorum Superficialis]]
* [[Flexor Digitorum Profundus]]
* [[Hand Anatomy]]
* [[Ulna]]
* [[Transverse Carpal Ligament]]
* [[Metacarpal Bones]]
* [[Digital Sheaths]]
* [[Camper's Chiasm]]
* [[Tenosynovitis]]
* [[Infectious Flexor Tenosynovitis]]

[[Category:Anatomy]]
[[Category:Hand]]
[[Category:Medical Terminology]]

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Common flexor sheath of hand - Revision history

Prab: CSV import

Prab: CSV import