sphe·noid

(sfē′noid′)

The sphenoid bone.

adj.

1. Wedge-shaped.

2. Of or relating to the sphenoid bone.

sphe·noi′dal (-noid′l) adj.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

sphenoid

(ˈsfiːnɔɪd)

adj

1. wedge-shaped

2. (Anatomy) of or relating to the sphenoid bone

(Anatomy) See sphenoid bone

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

sphe•noid

(ˈsfi nɔɪd)

adj. Also, sphe•noi′dal.

1. wedge-shaped.

2. of or pertaining to a compound bone at the base of the skull.

3. the sphenoid bone.

[1725–35; < New Latin sphēnoīdēs < Greek sphēnoeidḗs]

sphenoid

A bone in the skull base.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

sphenoid - butterfly-shaped bone at the base of the skull

os sphenoidale, sphenoid bone

crotaphion - the tip of the greater wing of the sphenoid bone

bone, os - rigid connective tissue that makes up the skeleton of vertebrates

skull - the bony skeleton of the head of vertebrates

pterygoid process - two bony processes descending from the body of the sphenoid bone

Translations

klínový

kiilamainen

sphénoïde

sphe·noid

n. esfenoide, hueso situado en la base del cráneo.

English-Spanish Medical Dictionary © Farlex 2012

sphenoid

adj esfenoidal

Mentioned in

References in periodicals archive

Contrast-enhanced computed tomography (CECT) of the base of skull and nasopharynx showed contrast-enhancing heterogeneous mass lesion involving the left nasopharynx, sphenoid sinus, and base of skull [Figure 3], without any significant cervical lymphadenopathy.

Metachronous nasopharyngeal carcinoma masquerading as a base of skull metastasis in a case of primary extraskeletal vulvar Ewing's sarcoma

Imaging, which included CT brain, MRI brain, and CT sinuses, demonstrated hyperdense soft-tissue opacification of the right frontal, sphenoid sinuses, and ethmoidal air cells with corresponding decreased T2 signal and osseous erosive changes involving medial orbital wall with soft tissue extending to the orbital apex.

Metastatic sinonasal and right orbital adenocarcinoma secondary to right breast lesion

Sphenoid bone is more important structure of skull base surgery.

The Determination of Sphenoid Sinus Dimensions in Turkish Healthy Adult Subjects: An MRI Study/ Determinacion de las Dimensiones del Seno Esfenoidal en Sujetos Adultos Sanos Turcos: Un Estudio de Resonancia Magnetica

Cancers were located in the ethmoid sinus (n = 3), nasal cavity (n = 2), sphenoid sinus (n = 2), and maxillary sinus (n = 1); in our series....

Renal cell carcinoma metastatic to the sinonasal cavity: A review and report of 8 cases

Further-more, as knowledge about the anatomy of the sinuses has improved, other ancillary surgeries such as endoscopic lacrimal surgery, orbital decompression, optic nerve decompression, approaches for the sphenoid sinus for cysts or mass, and approaches for pituitary fossa for inflammatory pathologies or tumour, have become easier.

EXTENDED APPLICATION OF FUNCTIONAL ENDOSCOPIC SINUS SURGERY IN OPHTHALMOLOGY AND NEUROSURGERY

Foramen Vesalius is situated in the posterior part of greater wing of sphenoid. It was first described by the illustrious anatomist, Andreas Vesalius.

ANATOMICAL STUDY OF FORAMEN VESALIUS

Sphenoid sinuses are small recesses in the postero-superior nasal cavity and remain intra-nasal until 6-7 years of age.

Sphenoid mucocoele--an unusual cause for headaches in a teenage boy

The tumor was found to be invading the infratemporal fossa, extending anteriorly up to the temporomandibular joint and inferiorly up to the greater wing of the sphenoid bone.

Giant Cell Tumor of the Temporal Bone and Skull Base: A Case Report

Magnetic resonance imaging [Figure 1] showed a 3.5 x 3.4 x 6.7 cm well-defined hyperintense expansile soft tissue lesion arising from the nasopharynx, invading sphenoid and clivus.

Extraskeletal Myxoid Chondrosarcoma of Nasopharynx: An Oncologic Entity Rarely Reported

Sphenoid sinus mucocele is a rare condition, comprising 1-2% of all paranasal sinuses mucoceles.

Cluster-Like Headache Secondary to Sphenoid Sinus Mucocele

For tumours infiltrating into infratemporal fossa, sphenoid sinus, base of pterygoid, cavernous sinus, foramen lacerum, anterior and middle cranial fossa [1], subtotal tumour excision predisposes to recurrence.

Radiation-Induced Sarcoma Originating in Recurrent Juvenile Nasopharyngeal Angiofibroma