Lab 4 - Image 7

Bandsaw section of a horse hoof. 1, external surface of the hoof wall; 2, pigmented hoof wall; 3, non-pigmented hoof wall; 4, horny and dermal laminae; 5, cut surface of distal phalanx (P3); 6, horn tubule (small white dot); 7, intertubular horn (dark area between white dots).