Accessory bone
Encyclopedia
An accessory bone is a bone
which does not occur frequently in the body but is still present in a significantly large number of people.
typically lies posterior to the talus
.
Bone
Bones are rigid organs that constitute part of the endoskeleton of vertebrates. They support, and protect the various organs of the body, produce red and white blood cells and store minerals. Bone tissue is a type of dense connective tissue...
which does not occur frequently in the body but is still present in a significantly large number of people.
Examples
Examples of accessory bones include the os trigonum ("accessory talus") which if present in the footFoot
The foot is an anatomical structure found in many vertebrates. It is the terminal portion of a limb which bears weight and allows locomotion. In many animals with feet, the foot is a separate organ at the terminal part of the leg made up of one or more segments or bones, generally including claws...
typically lies posterior to the talus
Talus bone
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