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Overview of Finger Anatomy Fingers are highly specialized structures found in the hands of most tetrapods, including humans and primates. Over millions of years of evolution, they have adapted to perform tasks with precision and skill. Each finger comprises three small bones called phalanges, which give the finger its shape and strength. These bones are … Read more

Overview of Biceps Anatomy The biceps is an important part of the upper arm. We call it a single muscle consisting of a short and a long head. The short head starts at the coracoid, while the long head originates from the supraglenoid tubercle. Both parts share the same nerve supply with the coracobrachialis and … Read more

Overview of Arm Anatomy The upper extremity, or arm, is an important part of the body that helps us lift, hold, and move things. Arm anatomy consists of 3 main parts: the upper arm, forearm, and hand. It stretches from the shoulder to the fingers and includes 30 bones, along with muscles, blood vessels, and … 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