Lexic.us

Definition of Sphenoid bone

1. Noun. Butterfly-shaped bone at the base of the skull.

Definition of Sphenoid bone

1. Noun. A compound bone at the base of the skull behind the eyes. ¹

¹ Source: wiktionary.com

Medical Definition of Sphenoid bone

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)

Lexicographical Neighbors of Sphenoid Bone

Literary usage of Sphenoid bone

Below you will find example usage of this term as found in modern and/or classical literature:

1. Anatomy, Descriptive and Surgical by Henry Gray (1901)
"sphenoid bone. Superior surface. The body is of large size, and hollowed out in its interior so as to form a mere shell of bone. It presents for examination ..."

2. Medical Lexicon: A Dictionary of Medical Science : Containing a Concise by Robley Dunglison (1848)
"A projecting crista at the inferior surface of the sphenoid bone, ... It is constituted, above, by the sphenoid bone; below, by the superior maxillary and ..."

3. Quain's Elements of Anatomy by Jones Quain, Allen Thomson, George Dancer Thane (1882)
"THE sphenoid bone. The sphenoid bone is placed across the base of the skull, near its middle. It enters into the formation of the cavity of the cranium, ..."

4. Anatomy, Descriptive and Applied by Henry Gray (1910)
"... bones—occipital, parietal, sphenoid, mandible, and malar. The sphenoid bone (Os Sphenoidale). ..."

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