sphenoid
IPA: sfʌnɔɪd
noun
- (anatomy) The sphenoid bone.
- (crystallography) A wedge-shaped crystal bounded by four equal isosceles triangles; the hemihedral form of a square pyramid.
adjective
- Having a wedged shape.
- (anatomy) Of or relating to the sphenoid bone which forms the base of the cranium, behind the eye and below the front part of the brain. It has two pairs of broad lateral ‘wings’ and a number of other projections, and contains two air-filled sinuses.
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Examples of "sphenoid" in Sentences
- The sphenoid bone is located at the base of the skull
- The sphenoid sinus can become inflamed and cause headaches
- The sphenoid bone is butterfly-shaped and contributes to the structure of the skull
- The sphenoid bone is one of the hardest bones in the human body
- The sphenoid plays a crucial role in supporting the weight of the brain
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