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

Etymology: Gk, sesamon, sesame, eidos, form
any one of numerous small round bony masses embedded in certain tendons that may be subjected to compression and tension. The largest sesamoid bone is the patella, which is embedded in the tendon of the quadriceps femoris at the knee.

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 ?
He suggested that these represented preexisting sesamoid bones [26].
Sesamoid bones are ovoid nodular bones, often small, found embedded within a tendon or joint capsule.
Fractures were not included if they involved the skull, bones of the face, mandible, cervical spine, or sesamoid bone of the hand, finger, or thumb.
Fractures were not included in the study if they involved the skull, bones of the face, mandible, cervical spine, or sesamoid bone of the hand, finger, or thumb.
Possibly a sesamoid bone, the spur could function as muscle or ligament attachment site, or possibly for increased movements as limb length increases.
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.
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.
Dunlop said yesterday: "Following the scans undertaken yesterday we consulted with world-leading veterinary surgeons on sesamoid bone injuries to determine the best course of action to address Red Cadeaux's injury.
BROTHER OF IRIS will not race again this term after a veterinary examination revealed a chipped sesamoid bone.
Mandella said a nuclear scan, more intensive than an X-ray, showed ``some kind of stress'' in the sesamoid bone, which could have developed into a fracture.
But as it was, Charismatic had injuries described technically as a displaced condylar fracture of the cannon bone and a cracked sesamoid bone.
Stimulation chipped a sesamoid bone in his left hind leg when he came back into work at four, and never showed his true form afterwards.