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English: Skeleton of a dog: A – Cervical or Neck Bones (7 in number). B – Dorsal or Thoracic Bones (13 in number, each bearing a rib). C – Lumbar Bones (7 in number).D – Sacral Bones (3 in number). E – Caudal or Tail Bones (20 to 23 in number). 1 – Cranium, or Skull. 2 – Maxilla. 3 – Mandible, or Lower jaw . 4 – Atlas. 5 – Axis.
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Bone awls are pointed tips made on any bone splinter. Bone awls vary considerably in the amount of polish from wear, the method of preparation, and size. Bone awls tend to be classified according to the characteristics of the bone used to make the awl. Many bone awls retain an epiphysis, or rounded end of a bone. Although authors have differing ...
Antler, a modified form of bone, grows out of the skull bones of certain species of animals, such as deer, and is typically shed once a year.It consists of a thick layer of compact bone, an inner section of spongy bone, and internal blood vessels that are fewer in number and more irregular than the ones present in bone.
Golden Retrievers playing with a tug toy A dog playing with a multifunctional toy that includes different textures. Border collie pup with frisbee. Toys specifically marketed for dogs to play with come in many varieties, including dog bones, puppy toys, balls, tug toys, training aids, squeaky toys, discs and frisbees, plush toys, and sticks.
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The mineral in bone (known as bone mineral) is hydroxyapatite with a lot of carbonate ions, while the organic portion is made mostly of collagen and some other proteins. The hierarchical structural of bone spans across to a three tiered hierarchy of the collagen molecule itself. [ 14 ]
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