Heberden’s node. Heberden's nodes are small, pea-sized bony growths that occur on the joint closest to the tip of the finger, also called the distal interphalangeal joint. Heberden's nodes are a symptom of osteoarthritis (OA) of the hand. Heberden's nodes are named after the doctor who described them, William Heberden, Sr., MD. | Dr. Najeeb