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Effect of snuff on nasal mucosa
American Journal of Otolaryngology, 2005The inhalation of nasal snuff (powdered tobacco) is a common addiction in the Indian subcontinent. In the western world, there is a resurgence of interest in nasal snuff because it does have the morbidity associated with smoked tobacco. Very few studies have reported the long-term effects of snuff on nasal mucosa. The objective of the present study was
Mahesh Chandra Hegde +6 more
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The nasal mucosa and outcomes of dacryocystorhinostomy
Arkhiv patologii, 2019To investigate the impact of the nasal mucosa on the outcomes of dacryocystorhinostomy on the basis of morphologic findings.The investigation enrolled 73 patients who had undergone endonasal endoscopic dacryocystorhinostomy. Nasal mucosal biopsies were intraoperatively taken from all the patients.
A A Fedorov +5 more
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Metabolism of Dopamine by the Nasal Mucosa
Journal of Pharmaceutical Sciences, 2006The nasal route of administration offers several advantages over oral and intravenous administration, including the ability to avoid hepatic first pass metabolism. Dopamine deficiency has been associated with several neurological disorders; it has been shown to have good systemic bioavailability and significant uptake into the CNS following intranasal ...
Maureen D. Donovan +1 more
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Sympathetic Influence on the Nasal Mucosa
Acta Oto-Laryngologica, 1977The tone of the resistance vessels determines the capillary flow and the tone of the capacitance vessels --the nasal patency. Lower impulse frequencies in the sympathetic nerves affect mainly the capacitance vessels, while higher frequencies affect both types of vessel.
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Endothelin in Human Nasal Mucosa
American Journal of Respiratory Cell and Molecular Biology, 1993Endothelin (ET), a potent vasoconstrictor and bronchoconstrictor peptide synthesized by endothelial and epithelial cells, was examined for its potential functions in human inferior turbinate nasal mucosal tissue by four techniques: (1) immunoreactive ET was localized in the mucosa by immunohistochemistry; (2) receptors for ET were identified by ...
J. Mullol +8 more
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Epithelial Damage of Nasal Mucosa in Nasal Allergy
Annals of Otology, Rhinology & Laryngology, 1998Epithelial alterations arising from moderate nasal allergy to house dust were examined and compared to findings in epithelia from nonallergic controls. Biopsy specimens were taken during natural allergen exposure from two different sites: 1) the anterior tip of the inferior turbinate and 2) 2 cm behind it.
Kensuke Watanabe, Chôsei Kiuna
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Inflammatory cells in nasal mucosa and nasal polyps
Auris Nasus Larynx, 2000Since some controversy exists concerning the frequency of inflammatory cells in nasal polyps, we have compared the frequency of tissue inflammatory cells (lymphocytes, neutrophils, eosinophils and plasma cells) including 11 kinds of lymphocyte subsets in the same specimens of nasal mucosa and nasal polyps.Histopathological observations and flow ...
Setsuko Morinaka, Hiroyuki Nakamura
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Mast cell quantitation in nasal polyps, sinus mucosa and nasal turbinate mucosa
The Journal of Laryngology & Otology, 1993The distribution and abundance of mast cells in nasal polyps, the maxillary sinus mucosa of patients with sinusitis and the turbinate mucosa of allergic rhinitis was microscopically examined using different methods of fixation. In the epithelium of the surface and the ducts of nasal polyps (n = 8), the mean number of mast cells was over 20,000 per mm3 ...
Harumi Seki +4 more
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Metastatic choriocarcinoma of the nasal mucosa
Journal of Surgical Oncology, 1977AbstractA patient with a chief complaint of epestaxis coughed persistently during her visit to the emergency room. Questioning revealed she also had vaginal bleeding and occasional bloody sputum. Gynecological examination, a Pap smear, and pathological evaluation showed choriocarcinoma. A chest X ray disclosed metastatic pulmonary choriocarcinoma.
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Glutathione transferases in human nasal mucosa
Archives of Toxicology, 1989Glutathione transferase (GST) was investigated with 1-chloro-2,4-dinitrobenzene as substrate in tissues specimens of human nasal mucosa. The average +/- (SD) of GST activity in the cytosol was 76.8 +/- 21 nmol/min/mg with a range of 47-113. Using affinity chromatography and isoelectric focusing, the isozymes of GST from human nasal mucosa have been ...
Aceto A +5 more
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