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Sesamoid bones can be found on joints throughout the human body, including: In the knee—the patella (within the quadriceps tendon). This is the largest sesamoid bone. [4] In the hand—two sesamoid bones are commonly found in the distal portions of the first metacarpal bone (within the tendons of adductor pollicis and flexor pollicis brevis).
Pages in category "Sesamoid bones" The following 5 pages are in this category, out of 5 total. This list may not reflect recent changes. ...
It is composed of 270 bones at the time of birth, [2] but later decreases to 206: 80 bones in the axial skeleton and 126 bones in the appendicular skeleton. 172 of 206 bones are part of a pair and the remaining 34 are unpaired. [3] Many small accessory bones, such as sesamoid bones, are not included in this.
A sesamoid bone is a small, round bone that, as the name suggests, is shaped like a sesame seed. These bones form in tendons (the sheaths of tissue that connect bones to muscles) where a great deal of pressure is generated in a joint. The sesamoid bones protect tendons by helping them overcome compressive forces.
This bone may be present in approximately 2–21% of the general population and is usually asymptomatic. [18] [19] [20] When it is symptomatic, surgery may be necessary. The Geist classification divides the accessory navicular bones into three types. [20] Type 1: An os tibiale externum is a 2–3 mm sesamoid bone in the distal posterior ...
There are between one and four sesamoid bones associated with the stifle joint in different species. These sesamoids assist with the smooth movement of tendon/muscle over the joint. The most well-known sesamoid bone is the patella, more commonly known as the "knee cap". It is located cranially to the joint and sits in the trochlear groove of ...
There are numerous sesamoid bones in the hand, small ossified nodes embedded in tendons; the exact number varies between people: [7] whereas a pair of sesamoid bones are found at virtually all thumb metacarpophalangeal joints, sesamoid bones are also common at the interphalangeal joint of the thumb (72.9%) and at the metacarpophalangeal joints ...
Sesamoid bones (5 P) Short bones (3 P) Pages in category "Bones" The following 34 pages are in this category, out of 34 total. This list may not reflect recent ...