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  2. Pisiform bone - Wikipedia

    en.wikipedia.org/wiki/Pisiform_bone

    It is the last carpal bone to ossify. The pisiform bone is a small bone found in the proximal row of the wrist . It is situated where the ulna joins the wrist, within the tendon of the flexor carpi ulnaris muscle. [1]: 199, 205 It only has one side that acts as a joint, articulating with the triquetral bone. It is on a plane anterior to the ...

  3. Triquetral bone - Wikipedia

    en.wikipedia.org/wiki/Triquetral_bone

    The triquetral bone (/ t r aɪ ˈ k w ɛ t r əl,-ˈ k w iː-/; also called triquetrum, pyramidal, three-faced, and formerly cuneiform bone) is located in the wrist on the medial side of the proximal row of the carpus between the lunate and pisiform bones. It is on the ulnar side of the hand, but does not directly articulate with the ulna.

  4. Wrist osteoarthritis - Wikipedia

    en.wikipedia.org/wiki/Wrist_osteoarthritis

    Activities that use forceful wrist extension such as rising from a chair or push-ups may be painful. In the absence of gout, chondrocalcinosis, rheumatoid arthritis, or prior distal radius fracture, a person with gradual onset limited motion and pain in the wrist likely has wrist osteoarthritis. [citation needed]

  5. Ulnar nerve - Wikipedia

    en.wikipedia.org/wiki/Ulnar_nerve

    Ulnar nerve enters the palm of the hand via the Guyon's canal, superficial to the flexor retinaculum and lateral to the pisiform bone. [7] Here it gives off the following branches: [8] Superficial branch of ulnar nerve - supplies the palmaris brevis and gives digital branches to the medial one and a half fingers. [7]

  6. Abductor digiti minimi muscle of the hand - Wikipedia

    en.wikipedia.org/wiki/Abductor_digiti_minimi...

    The abductor digiti minimi arises from the pisiform bone, the pisohamate ligament, and the flexor retinaculum. [1]Its distal tendon ends in three slips that are inserted into the ulnopalmar margin of the proximal phalanx, the palmar plate of the metacarpophalangeal joint, and the sesamoid bone when present.

  7. Ulnar carpal collateral ligament - Wikipedia

    en.wikipedia.org/wiki/Ulnar_carpal_collateral...

    The ulnar collateral ligament (internal lateral ligament, ulnar carpal collateral ligament or ulnar collateral ligament of the wrist joint) is a rounded cord, attached above to the end of the styloid process of the ulna, and dividing below into two fasciculi, one of which is attached to the medial side of the triquetral bone, the other to the pisiform and flexor retinaculum.

  8. Bone pain - Wikipedia

    en.wikipedia.org/wiki/Bone_pain

    Bone pain originates from both the periosteum and the bone marrow which relay nociceptive signals to the brain creating the sensation of pain. Bone tissue is innervated by both myelinated (A beta and A delta fiber) and unmyelinated sensory neurons. In combination, they can provide an initial burst of pain, initiated by the faster myelinated ...

  9. Pisiform joint - Wikipedia

    en.wikipedia.org/wiki/Pisiform_joint

    The pisiform joint is a joint between the pisiform and triquetrum. [1] [2] It includes the pisohamate ligament and pisometacarpal ligament. References