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Horse

Horse. Classification.

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Horse

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  1. Horse

  2. Classification The Horse is a single-hooved (ungulate) mammal belonging to the taxonomic family Equidae. The horse has evolved over the past 45 to 55 million years from a small multi-toed creature into the large, single-toed animal of today. Horses in the subspecies caballus are domesticated, although some domesticated populations live in the wild as feral horses. These feral populations are not true wild horses, as this term is used to describe horses that have never been domesticated, such as the endangered Przewalski’s Horse, a separate subspecies, and the only remaining true wild horse. The horses' anatomy enables them to make use of speed to escape predators and they have a well-developed sense of balance and a strong fight or flight instinct. Related to this need to flee from predators in the wild is an unusual trait: horses are able to sleep both standing up and lying down. gestation lasts for approximately 335–340 days and usually results in one foal, twins are rare in horses. Horses are a precocial species, and foals are capable of standing and running within a short time following birth. Horses are herbivores with a digestive system adapted to a forage diet of grasses and other plant material, consumed steadily throughout the day. Therefore they have a relatively small stomach but very long intestines to facilitate a steady flow of nutrients. http://en.wikipedia.org/wiki/Horse

  3. 1. 2. 1. Third metacarpal 2. Palmar recess of fetlock joint capsule 3. Proximal sesamoid bone 4. Distal sesamoidean ligaments 5. Deep digital flexor tendon 6.Distal limit of digital sheath 7. T ligament 8. Collateral sesamoidean ligaments joined on navicular bone 9.Navicular bone (distal sesamoid bone) 10. Navicular bursa 11. Digital cushion 12. Distal sesamoideanimpar ligament 13. Hoof wall 14. Distal phalanx (coffin bone) 15. Periople 16. Middle phalanx 17. Dorsal pouch of pastern joint 18. Proximal phalanx 19. Common distal extensor tendon 20. Dorsal pouch of fetlock 20. 3. 19. 18. 4. 17. 16. 5. 6. 15. 7. 8. 14. 9. 10. 12. 11. 13.

  4. 9. 10. 5. 6. 7. 1. 8. 2. 3. 4. 1. Bulbs of the heels 2. Central groove 3. Collateral groove 4. Apex of frog 5. White line 6. Internal layer 7. Middle layer 8.Sole 9. Bar 10. Angle of the wall

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