Hoof and Claw: Highly keratinized processes that are sharp and curved, or flat with pointed margins. They are found especially at the end of the limbs in certain animals.Foot Diseases: Anatomical and functional disorders affecting the foot.Lameness, Animal: A departure from the normal gait in animals.Cat's Claw: A vine (Uncaria tomentosa) indigenous to the Amazon rainforest whose name is derived from its hook-like thorns. It contains oxindole alkaloids and glycosides and has many medicinal uses.Horses: Large, hoofed mammals of the family EQUIDAE. Horses are active day and night with most of the day spent seeking and consuming food. Feeding peaks occur in the early morning and late afternoon, and there are several daily periods of rest.