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Definition of Sphenoid
1. Noun. Butterfly-shaped bone at the base of the skull.
Terms within: Crotaphion, Pterygoid Process
Generic synonyms: Bone, Os
Group relationships: Skull
Definition of Sphenoid
1. a. Wedge-shaped; as, a sphenoid crystal.
2. n. A wedge-shaped crystal bounded by four equal isosceles triangles. It is the hemihedral form of a square pyramid.
Definition of Sphenoid
1. Adjective. Wedge-shaped. ¹
2. Noun. The sphenoid bone ¹
¹ Source: wiktionary.com
Definition of Sphenoid
1. a bone of the skull [n -S]
Medical Definition of Sphenoid
1.
1. Wedge-shaped; as, a sphenoid crystal.
2.
Lexicographical Neighbors of Sphenoid
Literary usage of Sphenoid
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)
"With five bones—occipital, parietal, sphenoid, inferior maxillary, and malar.
... sphenoid bone. Superior surface. The body is of large size, and hollowed ..."
2. Medical Lexicon: A Dictionary of Medical Science; Containing a Concise by Robley Dunglison (1874)
"Split/no, in the composition of anatomical terms, the sphenoid bone. ... Two small,
thin, and curved bones, situate between the sphenoid and ethmoid, ..."
3. Medical Lexicon: A Dictionary of Medical Science : Containing a Concise by Robley Dunglison (1848)
"Two small, thin, and curved bones, situate between the sphenoid and ethmoid, with
which they are confounded in the adult. They have the shape of a hollow ..."
4. The Cat: An Introduction to the Study of Backboned Animals, Especially Mammals by St. George Jackson Mivart (1900)
"The sphenoid is also a very complex bone, and consists of two distinct parts,* one
... Beneath, the basi-sphenoid is nearly flat, and becomes narrower as it ..."
5. The Cat: An Introduction to the Study of Backboned Animals, Especially Mammals by St. George Jackson Mivart (1881)
"The sphenoid is also a very complex bone, and consists of two distinct parts,* one
... Beneath, the basi-sphenoid is nearly flat, and becomes narrower as it ..."
6. Anatomy of the Cat by Jacob Ellsworth Reighard, Herbert Spencer Jennings (1901)
"The sphenoid bone of man is represented in the cat by two entirely distinct bones
... 21); the caudal part will be described as the sphenoid (proper) (Fig. ..."
7. 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, ...
The sphenoid is articulated with all the seven other bones of the cranium ..."
8. A Practical treatise on the diseases of the eye by William Mackenzie, Thomas Wharton Jones (1854)
"Pressure on the Orbit from the sphenoid Sinus. I know of no instance on record
in which the sphenoid sinuses were dilated by suppuration. ..."
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