Definition of Os sphenoidale
1. Noun. Butterfly-shaped bone at the base of the skull.
Terms within: Crotaphion, Pterygoid Process
Generic synonyms: Bone, Os
Group relationships: Skull
Medical Definition of Os sphenoidale
1. 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. Synonym: os sphenoidale, sphenoid. (05 Mar 2000)
Os Sphenoidale Pictures
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Lexicographical Neighbors of Os Sphenoidale
Literary usage of Os sphenoidale
Below you will find example usage of this term as found in modern and/or classical literature:
1. Cunningham's Manual of Practical Anatomy by Daniel John Cunningham, Arthur Robinson (1914)
"... Sulcus transversus Sulcus sagittalis Clivus Linea nuchae suprema Linea nuchae superior Linea nuchae inferior os sphenoidale Crista ..."
2. The Anatomy of the Domestic Fowl by Benjamin Franklyn Kaupp (1918)
"The sphenoid, or os sphenoidale, forms the floor of the cranial cavity and articulates with or touches posteriorly the occipital, laterally the temporal, ..."