Credit: NYITCOM
A, C, E (TOP) ARE THE EXTERNAL VIEWS OF AN ADULT HUMAN, CAT, AND A JUVENILE HORSE, RESPECTIVELY. THE BONY CAP IS DEPICTED IN YELLOW, THE DISTAL PHALANX IS BLUE, AND THE MIDDLE PHALANX IS RED. B, D, F, G (BOTTOM) ARE CROSS-SECTIONS OF THE SAME SPECIMENS.