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sesamoid bone

 

Definitions from WordNet

Noun sesamoid bone has 1 sense
  1. sesamoid bone, os sesamoideum - any of several small round bones formed in a tendon where it passes over a joint
    --1 is a kind of bone, os
    --1 has particulars: patella, kneecap, kneepan

Definitions from the Web

Sesamoid Bone

A sesamoid bone is a small, round bone that is embedded in a tendon or muscle where it passes over a joint. It acts as a specialized type of bone to protect the tendon or muscle and provide enhanced leverage and stability to the joint.

Examples:

  1. Sense: Anatomy

    The sesamoid bones, such as the patella (kneecap), are present in various parts of the body, providing additional support, reducing friction, and improving the mechanical advantage of tendons.

    Sample sentence: The patella, a prominent sesamoid bone, assists in the smooth movement of the knee joint during activities like running and jumping.

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