Meaning of sesamoid bone. Medical Definition of Bone, sesamoid Medical Author: Melissa Conrad Stöppler, MD Bone, sesamoid: A little bone that is embedded in a joint capsule or tendon; for example, the kneecap ( … It usually affects the sesamoid bones found under the toe. X-rays can be helpful, especially if a fracture of the sesamoid bone is suspected. Sesamoid bones can be found in the hand, knee, and foot, and their unique structure works to protect the tendon, and to increase its mechanical effect. In the lower extremity the largest sesamoid bone of the joints is the patella, developed in the tendon of the Quadriceps femoris. Information and translations of sesamoid bone in the most comprehensive dictionary definitions … sesamoid bone synonyms, sesamoid bone pronunciation, sesamoid bone translation, English dictionary definition of sesamoid bone. WHAT IS THE SESAMOID BONE? Surgical treatment may include partial or complete resection of the sesamoid, shaving of a prominent tibial sesamoid or autogenous bone grafting for non-union. It is the inflammation of the sesamoid bones and the tissues surrounding them. sesamoid meaning: 1. relating to any of the sesamoid bones (= a bone inside a tendon) 2. a small, round piece of bone…. Definition. The location of the incision will depend on which sesamoid is being removed. However, sometimes the small sesamoid bones are difficult to adequately visualize on an x-ray test, and therefore other tests may also be considered. Sesamoid bones are also found occasionally at the metacarpophalangeal joints of the middle and ring fingers, at the interphalangeal joint of the thumb and at the distal interphalangeal joint of the index finger. 49 Alternatively, the pain can be caused by overuse, which sets up a traumatic arthritis at the sesamoid–first metatarsal joint. Sesamoiditis is a common ailment that affects the forefoot, typically in young people who engage in physical activity like running or dancing. After the bone is removed, the soft tissue is put back in place, and the incision is closed up. Its most common symptom is pain under the big toe joint. Learn more. Sesamoiditis refers to an overuse injury which develops over time due to repetitive impact. Sesamoiditis is the most widespread disorder that affects the forefoot. It is most often found in the younger population of those who are physically active and regularly engage in sports. Define sesamoid bone. Outlook THE sesamoid bone sits at the back of the fetlock joint and anchors the suspensory ligament, thus allowing a horse's foot and fetlock to move properly. The most commonly used test is an MRI study, but bone scans can also be effective to identify sesamoid problems. How they function. Sesamoid bones can be injured in a number of ways including stress fracture, traumatic fracture, a sprain or damage between a bipartite sesamoid bone as well as injury caused by the movement between the Sesamoid bone and the metatarsals bones in the foot. sesamoid bones: ; sesamoids small bones, developed as a centre of ossification within a tendon at the point of maximal force, e.g. Definition of sesamoid bone in the Definitions.net dictionary. Noun 1. sesamoid bone - any of several small round bones formed in a tendon where it passes over a joint os sesamoideum, sesamoid bone, os …