The covering of the nose is very thickened with rete ridges providing anchoring. The surface has a cobblestone appearance in dogs and cats. Hair and sebaceous glands are absent, atrichial glands are present. | The covering of the nose is very thickened with rete ridges providing anchoring. The surface has a cobblestone appearance in dogs and cats. Hair and sebaceous glands are absent, atrichial glands are present. |