hand rays

hand rays

the four radial grooves that separate five slightly thicker areas of the hand plates; they indicate the formation of the metacarpals and phalanges of the hand.

Synonym(s): digital rays of hand, radii manus

hand rays

(hand rāz)

The four radial grooves that separate five slightly thicker areas of the hand plates; they indicate the formation of the metacarpals and phalanges of the hand.
Synonym(s): digital rays of hand.