Results 31 to 40 of about 1,181,974 (353)

Choanal atresia and stenosis: Development and diseases of the nasal cavity

open access: yesWiley Interdisciplinary Reviews: Developmental Biology, 2018
Proper craniofacial development in vertebrates depends on growth and fusion of the facial processes during embryogenesis. Failure of any step in this process could lead to craniofacial anomalies such as facial clefting, which has been well studied with ...
H. Kurosaka
semanticscholar   +1 more source

Nasal Epithelial Myoepithelial Carcinoma: An Unusual Cause of Epiphora, a Case Report and Review of the Literature

open access: yesAllergy & Rhinology, 2015
Introduction Epithelial myoepithelial carcinoma (EMC) of the nasal cavity is a rare tumor, and here we describe the first case of EMC of the nasal cavity presenting with epiphora. A case presentation and review of the literature is provided.
Juliette O. Flam B.S.   +4 more
doaj   +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   +1 more source

Characteristics of nasal-associated lymphoid tissue (NALT) and nasal absorption capacity in chicken. [PDF]

open access: yesPLoS ONE, 2013
As the main mucosal immune inductive site of nasal cavity, nasal-associated lymphoid tissue (NALT) plays an important role in both antigen recognition and immune activation after intranasal immunization.
Haihong Kang   +3 more
doaj   +1 more source

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

The effect of decongestion on nasal airway patency and airflow

open access: yesScientific Reports, 2021
Nasal decongestant reduces blood flow to the nasal turbinates, reducing tissue volume and increasing nasal airway patency. This study maps the changes in nasal anatomy and measures how these changes affect nasal resistance, flow partitioning between ...
Qiwei Xiao   +3 more
doaj   +1 more source

Unique case of inverted papilloma of septum with nasopharyngeal carcinoma:Is it a metachronous tumour? [PDF]

open access: yes, 2020
Inverted papilloma is a rare and benign tumour. It affects the nasal cavity and paranasal sinuses, has a high rate of recurrence and is associated with malignant transformation.
Ferguson, Aaron S. J.   +4 more
core   +3 more sources

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

Postoperative nasal airway resistance is correlated with changes in anterior nasal cavity volume following posterior and superior movement caused by Le Fort I osteotomy

open access: yesAdvances in Oral and Maxillofacial Surgery
Purpose: This study aimed to analyse the relationship between changes in the anterior nasal cavity volume and nasal airway resistance following posterosuperior movement of the maxilla. Materials and methods: We studied 16 patients (13 female, 3 male) who
Jing Yuan   +5 more
doaj   +1 more source

Nasopharyngeal Melanoma [PDF]

open access: yes, 2018
Mucosal nasopharyngeal melanoma is a rare head and neck melanoma. Prognosis is poor (5-year overall survival rate of 10–30%) with high rates of metastases and local recurrence. Head and neck mucosal melanoma represents 0.8–3.7% of all melanomas and 0.03%
Calvieri, Stefano   +4 more
core   +1 more source

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