Collateral ligament of interphalangeal articulations of hand Tags: Anatomical Structure, Ligament.On each side of the interphalangeal joints of the fingers are diagonally placed fibrous bands. The proximal ends of the bands are near the dorsal phalanges of the hand and the distal ends of the bands are near the palmar margins of the digits. Dorlands prefix l_09 Dorlands suffix 12491880 Learn more... Loading...