scaphoid, trapezium, and trapezoid.
Primitive vertebrates had twelve of these, while modern man has eight: triquetral, lunate, pisiform, hamate, capitate. scaphoid, trapezium, and trapezoid. Arranged in two rows of four each, called distal and proximal, these eight bones correspond to the tarsal structure in the rear limbs. Identify, for ten points, this group of bones which share its six-letter name with a tunnel noted for its association with a syndrome.
Primitive vertebrates had twelve of these, while modern man has eight: triquetral, lunate, pisiform, hamate, capitate.
{carpal}