Results 1 to 10 of about 160,123 (213)

The nasal cavity microbiota of healthy adults [PDF]

open access: yes, 2014
Background The microbiota of the nares has been widely studied. However, relatively few studies have investigated the microbiota of the nasal cavity posterior to the nares. This distinct environment has the potential to contain a distinct
Bassis, Christine M   +3 more
core   +8 more sources

Nasal Drug Delivery Systems: An Overview [PDF]

open access: yes, 2015
Since ancient times, drugs have been administered via the nasal route for therapeutic and recreational purposes. The interest in, and importance, of the systemic effects of drugs administered through the nasal route, have expanded over recent decades ...
Conway, Barbara R.   +3 more
core   +1 more source

Nasal fibrosis: long-term follow up of four cases of eosinophilic angiocentric fibrosis [PDF]

open access: yes, 2005
Eosinophilic angiocentric fibrosis is a rare, benign cause of submucosal thickening and fibrosis within the upper respiratory tract. It predominantly affects the nose although cases have been reported in the subglottis.
Gallimore, A, Lund, VJ, Paun, S
core   +1 more source

Intraosseous Hemangioma of the Inferior Turbinate [PDF]

open access: yes, 2010
The nasal cavity harbors an enormous variety of neoplasms, including epithelial and mesenchymal tumors. Hemangioma is an infrequent mesenchymal tumor of the nasal cavity, mostly arising in the mucosa and rarely in the bones.
Kazuya Takeda   +2 more
core   +1 more source

Brain delivery of vasoactive intestinal peptide (VIP) following nasal administration to rats [PDF]

open access: yes, 2003
The aim of this work was to study in rats the nasal route for the brain delivery of the vasoactive intestinal peptide (VIP) neuropeptide. After evaluating VIP stability in solutions obtained from nasal washes, the effect of formulation parameters (pH 4-9,
Couet, William   +5 more
core   +3 more sources

Physical and geometric constraints explain the labyrinth-like shape of the nasal cavity

open access: yes, 2017
The nasal cavity is a vital component of the respiratory system that heats and humidifies inhaled air in all vertebrates. Despite this common function, the shapes of nasal cavities vary widely across animals.
Brenner, Michael P.   +3 more
core   +1 more source

SINONASAL VERRUCOUS CARCINOMA Case series and review of literature [PDF]

open access: yes, 2012
Verrucous carcinoma is a low grade malignancy and is a variant of squamous cell carcinoma. It is a rare tumour of the Sino nasal tract. The neoplasm occurs in older people usually in the seventh or eighth decade of life.
Iqbal, Irfan   +3 more
core   +3 more sources

An evaluation of mesiodentes: A retrospective study with cone-beam computed tomography [PDF]

open access: yes, 2018
Background: The mesiodens, located in the palatal midline between the two maxillary central incisors, is the most common type of supernumerary tooth. The aim of this study was to evaluate the distribution of mesiodentes according to shape, position, and ...
Akay, Gülsün   +2 more
core   +2 more sources

Optimum imaging for inverted papilloma [PDF]

open access: yes, 2000
Inverted papilloma is the most common benign tumour of the nose and paranasal sinuses, and usually arises in the lateral wall of the nasal cavity and the middle meatus.
Howard, D, Lloyd, G, Lund, VJ, Savy, L
core   +1 more source

Rhinologic changes in Wegener's granulomatosis [PDF]

open access: yes, 2002
Twenty-eight patients with a clinical diagnosis of sinonasal Wegener's granulomatosis were referred for imaging during the period 1990-2001. Of these, 10 had clinical symptoms and signs confined to the nose and sinuses and 18 had classical systemic ...
Beale, T, Howard, D, Lloyd, G, Lund, VJ
core   +1 more source

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