Overview of Arm Anatomy The upper extremity, or arm, is a vital part of the human body that enables us to lift, hold, and move objects.[1] The human arm anatomy consists of three main parts: the upper arm, forearm, and hand. It stretches from the shoulder to the fingers and includes 30 bones in the … 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