Dog Arthritis

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The Dog's Internal Anatomy: Part 2 Muscles, Tendons, Ligaments, And Joints

For the next topic of the dog's musculo-skeletal system, I will be talking about four things. I will go over the muscles, tendons, ligaments, and joints. These four tissues help tie together the skeletal system, which supports the animal, and allows movement. Muscles Muscles are what gives your dog movement. There are a lot of other systems that also contribute, but it is the contraction and relaxation of muscle that gives mechanical movement to the skeletal system, allowing dogs to walk, run, wiggle their noses, etc. There are three different types of muscle in the mammalian body. There is Skeletal muscle, Cardiac muscle, and Smooth muscle. Cardiac muscle is just what it sounds like. This is heart muscle which has well-developed cross-striations throughout the muscle. Heart muscle beats rhythmically on its own due to Pacemaker Cells in the Myocardium which discharge and cause the involuntary heartbeat. The Myocardium is just the thickest middle layer of the heart wall and...