Arm Bones Small 86×320 Medium 172×640 Large 275×1024 Download Tiff Original 644×2400 | (223.8 KB) Description "The bones of the arm. a, humerus; b, ulna; c, radius; d, the carpus; e, the fifth metacarpal; f, the three phalanges of the fifth digit (little finger)." —Martin, 1917 Keywords Arm, Bone, Carpus, humerus, limb, metacarpal, phalange, radius, skeletal, ulna Galleries Human Skeletal System Source: H. Newell Martin, The Human Body (New York: Henry Holt and Company, 1917) 67