sesamoid bone


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ses·a·moid bone

[TA]
a bone formed after birth in a tendon where it passes over a joint, for example, the patella.
Synonym(s): os sesamoideum [TA]

sesamoid bone

(1) A bone located in the tendons of the flexor hallucis brevis on the plantar aspect of the foot, which help redistribute and attenuate force over the first metatarsal head during the toe-off portion of gait or propulsion.
(2) A membranous bone formed in a tendon in response to joint stress (e.g., patella).

ses·a·moid bone

(ses'ă-moyd bōn) [TA]
A bone formed after birth in a tendon where it passes over a joint (e.g., the patella).

sesamoid bone

A bone lying within a tendon to assist in its mechanical action and to bear pressure. The most conspicuous sesamoid bone is the knee cap (patella).
References in periodicals archive ?
Kang, "Symptomatic hallucal interphalangeal sesamoid bones successfully treated with ultrasound-guided injection," Korean Journal of Pain, vol.
The patella is an example of a sesamoid bone, as is the navicular bone, which is in the hoof of the horse at P3.
''He smashed a sesamoid bone on the same foot as a foal and the vet who examined him today said he couldn't believe he was still racing.''
Although Hippocrates, by the fourth century BC, uses the term epimulis (Gersh, 2012) to refer to the knee, it does not refer at all to the sesamoid bone of that region.
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 fabella (Latin for "little bean") is a sesamoid bone that is visible at radiography in approximately 10-30% of the general population and is found bilaterally in most cases [1].
Technically, it is a ligament (connecting a bone to a bone), but it has often been referred to as a tendon because the patella is a sesamoid bone. The average length of the patellar tendon is 40-53 mm [15, 16, 18, 19].
Sesamoid bone fractures of metacarpophalangeal joint of thumb are very rare.
The os peroneum is a round or oval-shaped juxtaarticular sesamoid bone that lies within the confines of the peroneus longus tendon.
But metastasis has been reported in long bones, ribs, cranium mandible, scapula, bones of hand and foot and even the patella- a sesamoid bone (8).
BROTHER OF IRIS, pulled up in the Racing Post Chase, will not race again this season after a veterinary examination revealed a chipped sesamoid bone. But trainer Mary Reveley is hopeful that her chaser will be back next term .