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Medical Definition of Dorsum sellae
1. A square portion of bone on the body of the sphenoid posterior to the sella turcica or hypophysial fossa. Synonym: dorsum ephippii. (05 Mar 2000)
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1. A square portion of bone on the body of the sphenoid posterior to the sella turcica or hypophysial fossa. Synonym: dorsum ephippii. (05 Mar 2000)