Beaded nerve terminals in feline laryngeal mucosa
Autor: | Tadatsugu Maeyama, Takemoto Shin, Kuniyoshi Tsuda |
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Rok vydání: | 1998 |
Předmět: |
Epiglottis
Pathology medicine.medical_specialty Glottis Presynaptic Terminals Cytoplasmic Granules Laryngeal Mucosa Basement Membrane 03 medical and health sciences Gagging 0302 clinical medicine Defense reflex otorhinolaryngologic diseases medicine Animals Sodium Hydroxide 030223 otorhinolaryngology Electron microscopic Basement membrane business.industry Head neck Anatomy Immunohistochemistry Epithelium Mitochondria medicine.anatomical_structure Otorhinolaryngology 030220 oncology & carcinogenesis Cats Surgery Thiolester Hydrolases business Mechanoreceptors Ubiquitin Thiolesterase Arytenoid Cartilage |
Zdroj: | Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery. 119(1) |
ISSN: | 0194-5998 |
Popis: | To investigate the mechanism of airway defense reflex, beaded nerve terminals were studied by immunohistochemical techniques. In the supraglottic region the density of PGP 9.5–immunoreactive nerve fibers was the highest at the base of the glottic surface in the epiglottis, and in the glottic region it was the highest in the arytenoid region. In the subglottic region the number of positive nerve fibers was less than the number at the base of the glottic surface in the epiglottis, and when the laryngeal mucosa was processed with NaOH to dissolve the epithelium, it was possible to observe beaded nerve terminals more clearly. These beaded nerve terminals were found just beneath, in the epithelial basement membrane. Electron microscopic examination of beaded nerve terminals revealed a large quantity of secretory granules and mitochondria, suggesting that their structure is similar to that of nerve terminals. Thus these beaded nerve terminals may function as mechanoreceptors. (Otolaryngol Head Neck Surg 1998;119:113-6.) |
Databáze: | OpenAIRE |
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