Os pisiforme is a small bone found in the wrist near the base of the palm. It is also known as the pisiform bone or simply pisiform. This bone is one of the eight carpal bones found in the wrist. Some synonym terms for the pisiform bone include the petite osselet, the pea-shaped bone, the ivy bone, and the os pisiform. This small bone plays an important role in wrist and hand movement and serves as a point of attachment for various tendons and ligaments. Synonyms for the os pisiforme are useful for anatomists and medical professionals alike to describe the positioning of the bone in the wrist accurately.