pterion

(ˈtɛrɪˌɒn)

n, pl -teria (-ˈtɪərɪə)

(Anatomy) anatomy the point on the side of the skull where the frontal, parietal, and squamosal bones meet the wing of the sphenoid

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

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Noun

pterion - the craniometric point in the region of the sphenoid fontanelle

craniometric point - a landmark on the skull from which craniometric measurements can be taken

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References in periodicals archive

Study of pterion in skulls of Awadh area-in and around Lucknow.

CLINICAL EPIDEMIOLOGY AND MANAGEMENT OF EXTRADURAL HAEMORRHAGE IN RURAL INDIA

Well-known examples of craniometric points used, included the pterion, asterion, vertex of the skull, the lambda stephanion glabella and the opisthion.

Short term outcomes following surgery in brain tumours sans neuronavigation

In general, the pterion in lateral aspect of the human skull is usually an irregular H shaped suture.

Classification and Incidence of Pterion Patterns of Thai Skulls/ Clasificacion e Incidencia de los Patrones de Pterion en Craneos de Tailandia

About 2 cm outside the keyhole, around the pterion, make an anterior hairline incision about 4–5 cm long.

Application of Keyhole Microneurosurgery in China

Curved skin incision, about 5 cm, was made around the pterion and followed the lateral hairline curvature.

Minipterional craniotomy with transsylvian-transinsular approach for hypertensive putaminal hemorrhage: A preliminary report

As such, a pterional craniotomy (named after the area of the skull that is being operated on rather than the area of the underlying brain, in this patient this being the pterion region of the skull--Figure 4) was performed whereby the skull is opened to remove the tumour.

Sight savers--real case studies: part 3

Physical examination revealed that approximately 2 cm of the nail (the flathead end) protruded from the right temporal area just posterior to the pterion. Findings on neurologic examination were within normal limits except for weakness of the right frontalis muscle.

Penetrating trauma to the head and neck from a nail gun: a unique mechanism of injury

On the modified AP, the pterion, sphenofrontal and superior sphenotemporal sutures were clearly separated, projecting out from the skull.

Radiographic evaluation of the Soap Man mummy

The first two sides ran from the point Lambda to the point Bregma, and from the latter to that where the coronal suture first touched the sphenoid bone (Pterion).

Potential Donor Sites of the Parietal for Bone Grafting and its Relationship to the Cephalic Index/Sitios Donantes Potenciales del Hueso Parietal para Injerto Oseo y su Relacion con el Indice Cefalico