Relating to the base or body of the sphenoid bone; denoting the independent center of ossification in the embryo that forms the posterior portion of the body of the sphenoid bone.
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ba·si·sphe·noid .bā-səs-'fē-.nȯid also ba·si·sphe·noi·dal -səs-fi-'nȯid-əl adj relating to or being the part of the base of the cranium that lies between the basioccipital and the presphenoid bones and that usu. ossifies separately and becomes a part of the sphenoid bone only in the adult
basisphenoid n the basisphenoid bone
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ba·si·sphe·noid (ba″sĭ-sfeґnoid) 1. postsphenoid. 2. basisphenoid bone.Medical dictionary. 2011.