dictionary help| sphenoid bone | medical dictionary |
A bone of most irregular shape occupying the base of the skull; it is described as consisting of a central portion, or body, and six processes: two greater wings, two lesser wings and two pterygoid processes; it articulates with the occipital, frontal, ethmoid, and vomer, and with the paired temporal, parietal, zygomatic, palatine and sphenoidal concha bones.
Synonyms: os sphenoidale, sphenoid.
(05 Mar 2000)
sphenoidal sinus aperture, sphenoidal spine, sphenoidal turbinated bones < Prev | Next > sphenoid crest, sphenoiditis, sphenoidostomy
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