presphenoidal
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Presphenoidal — Pre sphe*noid al, a. (Anat.) Of or pertaining to the presphenoid bone; presphenoid. [1913 Webster] … The Collaborative International Dictionary of English
presphenoidal — pre·sphe·noi·dal (pre″sfə noiґdəl) presphenoid (def. 1) … Medical dictionary
presphenoidal — pre·sphenoidal … English syllables
presphenoid bone — presphenoidal bone see under part … Medical dictionary
presphenoid part of sphenoid bone — presphenoidal part of sphenoid bone the anterior portion of the sphenoid bone; it develops separately in the fetus and unites with the postsphenoidal part between the seventh and eighth months of intrauterine life. Called also presphenoid bone … Medical dictionary
basisphenoid bone — a bone in the floor of the cranium of embryos of many different animal species. In humans, before birth it becomes part of the postsphenoidal part of the sphenoid bone (see under part); in most other animals it persists as a separate bone between … Medical dictionary
