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Sphenoidal spine

sphenoidal spine n.
A rearward and downward projection from either of the greater wings of the sphenoid bone. Also called alar spine, spinous process.


Read Also:

  • Sphenoid bone

    noun 1. the large butterfly-shaped compound bone at the base of the skull, containing a protective depression for the pituitary gland sphenoid bone n. A compound bone with winglike processes, situated at the base of the skull.

  • Sphenoid crest

    sphenoid crest n. A vertical ridge in the midline of the anterior surface of the sphenoid bone.

  • Sphenoiditis

    sphenoiditis sphe·noid·i·tis (sfē’noi-dī’tĭs) n. Inflammation of the sphenoidal sinus. Necrosis of the sphenoid bone.

  • Sphenoidotomy

    sphenoidotomy sphe·noid·ot·o·my (sfē’noi-dŏt’ə-mē) n. Surgical creation of an opening in the anterior wall of the sphenoidal sinus.

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