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Overview of Arm Anatomy The upper extremity, or arm, is a key part of the upper body. Arm anatomy consists of 3 main parts: the upper arm, forearm, and hand. It spans from the shoulder to the fingers and contains 30 bones, nerves, blood vessels, and muscles. The brachial plexus supply the arm’s nerves. Starting … Read more

Overview of Nail Anatomy A nail is a flattish claw-like plate at the tip of the fingers and toes, which is characteristically found in all primates. They are composed of the resilient protein keratin. Nails are continuously growing and adjusting to their surroundings. They provide an essential protective shield for our fingertips. No two nails … Read more