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Triquetrum Bone

The triquetral is one of the eight carpal bones of the hand. It is a three-sided bone. Wikipedia

Terms to know

Bone
A living, growing tissue made mostly of collagen.
Capitate Bone
The largest of eight carpal bones, located in the center of the hand.
Carpometacarpal Joint
The synovial joints between the carpal and metacarpal bones in the hand.
Carpus (Carpal Bones)
The group of bones that make up the wrist.
Fingers
A finger is a limb of the human body and a type of digit, an organ of manipulation and sensation.
Hamate Bone
The hamate is an irregularly-shaped carpal bone found within the hand.
Hand
The part of the fore limb below the forearm or wrist.
Interphalangeal Joint (Finger and Toe Joints)
Hinge joints between the phalanges of the hand or foot.
Lunate Bone
The lunate is a crescent-shaped carpal bone found within the hand.
Metacarpal Bones
Any of the five bones between the wrist and the fingers that form the skeleton of the palm.
Metacarpophalangeal Joint
The metacarpophalangeal joints (MCP) refer to the joints between the metacarpal bones and the phalanges of the fingers.
Metacarpus
The region of the hand between the wrist and the fingers.
Palm
The central region of the front of the hand.
Phalanges
The phalanges are bones in the toes and fingers. The thumbs and big toes have two phalanges while the other digits have three phalanges.
Pisiform Bone
The pisiform bone is a small knobbly, pea-shaped bone that is found in the wrist. Unlike the other carpal bones, the pisiform is not involved in movement of the wrist.
Radius
The long bone in the forearm, on the side of the thumb.
Scaphoid Bone
The scaphoid bone is one of the carpal bones of the wrist. It is situated between the hand and forearm on the thumb side of the wrist (also called the lateral or radial side). It forms the radial border of the carpal tunnel. It is approximately the size and shape of a medium cashew.
Thumb
The short thick digit of the hand that for humans has the most mobility and can be made to oppose (moved to touch) all of the other fingers.
Trapezium Bone
The trapezium bone is a carpal bone in the wrist. It forms the radial border of the carpal tunnel.
Trapezoid Bone
The trapezoid is a four-sided carpal bone found within the hand.
Ulna
The bone of the forearm that extends from the elbow to the wrist on the side opposite to the thumb.
Wrist
The complex joint between forearm bones, carpus, and metacarpals where the hand is attached to the arm.

Terms to know

Bone
A living, growing tissue made mostly of collagen....
Capitate Bone
The largest of eight carpal bones, located in the center of the hand....
Carpometacarpal Joint
The synovial joints between the carpal and metacarpal bones in the hand....
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