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Below the knee is the cannon bone which is also known as the 3rd metacarpal. 55 million years ago when the Eohippus existed, the cannon bone used to be the 3rd metacarpal of the foot. Its current enlargement took place in order to increase the height of the limb, which helps increase stride length. Behind the cannon bone are the splint bones.
Points of a horse. Equine anatomy encompasses the gross and microscopic anatomy of horses, ponies and other equids, including donkeys, mules and zebras.While all anatomical features of equids are described in the same terms as for other animals by the International Committee on Veterinary Gross Anatomical Nomenclature in the book Nomina Anatomica Veterinaria, there are many horse-specific ...
Frontal bone: creates the forehead of the horse; Parietal bones: extend from the forehead to the back of the skull; Occipital bone: forms the joint between the skull and the first vertebrae of the neck (the atlas) Temporal bones: contain the eternal acoustic meatus, which transmits sound from the ear to the cochlea (eardrum)
In equines, is a very large bone and provides the major support of the body weight of the horse. The term cannon may also encompass the soft tissues as well as the second and fourth metacarpal or metatarsal bones, called splint bones which may form ossified bridges of bone, called splints which often form after trauma to the area. canner (US) 1.
Fetlock joint: the joint between the cannon bone and the pastern. Fetlock is the common name in horses, large animals, and sometimes dogs for the metacarpophalangeal and metatarsophalangeal joints (MCPJ and MTPJ). Although it somewhat resembles the human ankle in appearance, the joint is homologous to the ball of the foot.
The pastern is a part of the leg of a horse between the fetlock and the top of the hoof.It incorporates the long pastern bone (proximal phalanx) and the short pastern bone (middle phalanx), which are held together by two sets of paired ligaments to form the pastern joint (proximal interphalangeal joint).
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The Cannon and Tendons. Long cannon bones. Long Cannon Bone Archived October 9, 2007, at the Wayback Machine. The cannon is long between the knee and fetlock, making the knees appear high relative to the overall balance of the horse; Reduces the muscular pull of the tendons on the lower leg.