hand rays
(redirected from radii manus)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.
Synonym(s): digital rays of hand.