Definición de sphenoid en inglés:

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sphenoid

Pronunciación: /ˈsfiːnɔɪd/
Anatomy

sustantivo

(also sphenoid bone) A compound 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.
Oraciones de ejemplo
  • A large groove (sinus of Breschet) may occur on the intracranial face, parallel to the coronal suture and extending from the bregma to the lesser wing of the sphenoid.
  • Another such feature are the deep internasal cavities on either side of the sphenoid.
  • Metastasis to the brain can occur by way of Batson's plexus or by direct extension from adjacent structures such as the sphenoid bone or sinuses.

adjetivo

Relating to the sphenoid bone.
Oraciones de ejemplo
  • The maxillary sinus is most commonly involved; however, most patients with radiologic maxillary sinusitis have abnormalities of the ethmoid and sphenoid sinuses.
  • Magnetic resonance imaging showed a mass bilaterally in the nasopharynx and the sphenoid sinuses.
  • Its accuracy, however, is questionable in suspected ethmoid, frontal, or sphenoid involvement.

Derivados

sphenoidal

Pronunciación: /sfiːˈnɔɪd(ə)l/
adjetivo
Oraciones de ejemplo
  • Branches of the nasal nerve have been described passing to the frontal, ethmoidal, and sphenoidal sinuses.
  • The middle meningeal gives rise, in about 50% of cases, to an accessory meningeal artery, which also enters the skull via the foramen ovale, or the emissary sphenoidal foramen.
  • The ophthalmic artery may be associated with the development of a branch of the lacrimal artery that passes through the sphenoidal fissure to anastomose with the middle meningeal artery.

Origen

Mid 18th century: from modern Latin sphenoides, from Greek sphēnoeidēs, from sphēn 'wedge'.

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