One of the eight small carpal bones in the wrist, below the thumb.
A four-sided bone of the wrist that articulates with the base of the thumb.
Aa bone of the wrist. It articulates with the scaphoid bone behind and with the first metacarpal in front.
A four-sided, single plane geometric figure in which none of the sides are parallel.
The bone located at the base of the thumb, forming the first bone on the radial side of the second row of carpal bones in the wrist and hand.
A group of neural fibers in the brain.