Results 21 to 30 of about 164,634 (176)

Radiographic Analysis of the Ethmoid Roof based on KEROS Classification among Filipinos

open access: yesPhilippine Journal of Otolaryngology Head and Neck Surgery, 2008
Objective: The objective of the study was to describe the distribution of Keros classification among Filipinos. Methods: Study Design: Retrospective review of consecutive paranasal sinus computed tomography (PNS CT) scans.
Justin Elfred Lan B. Paber   +3 more
doaj   +3 more sources

Orbital roof cartilage and bone in human fetuses with special reference to changing territories among the ala minor of the sphenoid, frontal bone, and ethmoid. [PDF]

open access: yesAnat Cell Biol
The orbital roof in adults consists mainly of the frontal bone (FB), with the ala minor of the sphenoid at the posterior margin. In fetuses, these bones have been observed to overlap at the junction.
Li Z   +6 more
europepmc   +2 more sources

Supplements and refinements to current classifications and nomenclature of the fronto-ethmoidal transition region by systematic analysis with 3D CT microanatomy [PDF]

open access: yesRhinology Online, 2021
Objective: The microanatomy of the fronto-ethmoidal transition region has been addressed in several classifications. CT stereoscopic imaging (3DCTSI) provides improved display and delineates three defined complex “spaces”, the Frontal Sinus/Frontal ...
S.J. Zinreich   +6 more
doaj   +1 more source

Analysis of Olfactory Fossa Anatomy using Cone Beam Computed Tomography [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2022
Introduction: Olfactory fossa is an important structure in the anterior skull base. It is made of Lateral Lamella of Cribriform Plate (LLCP) and fovea ethmoidalis which are very delicate parts that can get damaged during surgical procedures causing ...
Madhura Mahajan   +3 more
doaj   +1 more source

Patterns of Pneumatization of the Posterior Nasal Roof

open access: yesTomography, 2022
(1) Background: For good surgical performance, sound knowledge of anatomy is required. Although the ethmoid air cells and sphenoid sinuses are subject to a high degree of variation, their possible extensions above the nasal fossa at the posterior end of ...
Alexandru Nicolae Mureșan   +3 more
doaj   +1 more source

The relationship between ethmoid roof and cribriform plate dimensions and degree of septal deviation angle by computerized tomography

open access: yesAl-Azhar Assiut Medical Journal, 2020
Background Endoscopic sinus surgery (ESS) is a common operation for the management of sinonasal pathologies. The surgeons dealing with ESS should understand the crucial complex anatomy of the anterior cranial base to avoid the intracranial violation ...
Ahmed S.A Elgalil   +3 more
doaj   +1 more source

Functional anatomy, jaw mechanisms, and feeding behavior of Dunkleosteus terrelli (Placodermi, Arthrodira). [PDF]

open access: yesAnat Rec (Hoboken)
A new musculoskeletal reconstruction and revision of the cranio‐mandibular anatomy of the Devonian arthrodire placoderm Dunkleosteus terrelli from a comparative and functional anatomical perspective. Dunkleosteus is a specialized arthrodire with many specializations for feeding on large vertebrates, and many of its features are part of broader ...
Engelman RK   +4 more
europepmc   +2 more sources

Investigation of the potential of calcareous grassland vegetation for green roof application in the UK [PDF]

open access: yes, 2012
For the last few decades, the interest in green roofs has been developing quickly because of the benefits they have on the modern urban environment situation.
CHOI, Min-Sung
core   +6 more sources

Recurrent Angiofibroma of Ethmoid Region – A Rare Variant [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2014
The common variant of angiofibromas of head and neck region is juvenile nasopharyngeal angiofibroma (JNA). However extranasopharyngeal angiofibromas (ENAF) occurs very rarely at any age in either sex, and they differ from classical JNA in incidence ...
M. SUDHAKARA RAO   +4 more
doaj   +1 more source

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