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sphenoid

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sphenoid

[′sfē‚nȯid]
(crystallography)
An open crystal, occurring in monoclinic crystals of the sphenoidal class, and characterized by two nonparallel faces symmetrical with an axis of twofold symmetry.
(science and technology)
Wedge-shaped.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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References in periodicals archive
also reported on cases whereby septation was not observed in the sphenoidal sinus.
Sphenoidal emissary foramen and its clinical consideration.
When a mass expands from the sphenoidal sinus, as in our patient, it invades the neighboring cavernous sinus and abducens nerve palsy is the common initial symptom.
We aimed at assessing the anatomy of the PPS roof in CBCT, and to assess the variable pattern of pneumatization at this level, in relation to possible pathways for the spreading of infections, from the temporal bone cavities or from the sphenoidal sinus.
4###Interplanum sphenoidal suture###84% at 2 years###100% at 5 years
Cytogenetic findings in a new case of adenoid cystic carcinoma arising in sphenoidal sinus.
An MRI performed a year earlier showed mild diffuse congestion of a left maxillary sinus but no other intracranial abnormalities, and a waking EEG with sphenoidal electrodes was normal.
Chalcopyrite is found throughout zones 3 and 4 of the lower and middle amygdaloids as brassy sphenoidal crystals up to 1 cm on datolite, prehnite, albite and heulandite.
Rare sites in which disseminated infections have been reported include the epidural space (7), thyroid (8), pericardium (9), joint prosthesis (10) and sphenoidal sinuses (11) but always in combination with pulmonary, CNS or skin infections.
Its epidermal cells also arise directly from the ultimate pinna rachis, are aligned and comparatively very irregularly shaped, as spindle-forms, sphenoidal, sausage-like, rectangular with angular and rounded corners, and near-square; length varies from 34-133 [micro]m, and width from 12-30 [micro]m.
A 72-year-old woman with a history of recurrent meningioma of the sphenoidal ridge, dementia, and depression was hospitalized because of fever and general deterioration of 5 days' duration.
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