"clinical relevance: preaxial polydactyly involves first digit of the hand (radial side) or first digit of the foot (big toe)"
"clinical relevance: preaxial polydactyly involves first digit of the hand (radial side) or first digit of the foot (big toe)"
"clinical relevance: postaxial polydactyly refers to an additional digit on the ulnar side of the hand, or lateral to the 5th toe"
Expected headings
"Preaxial (cranial) border"
"Postaxial (caudal) border"