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a type of bone characterized by its thin, flattened shape (for example, the scapula or certain cranial bones).
Synonym(s): os planum [TA]
Farlex Partner Medical Dictionary © Farlex 2012
1. Flat bone; any bone that has only a slight thickness.
2. The orbital plate of the ethmoid bone.
See also: os
Medical Dictionary, © 2009 Farlex and Partners