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Título: | Previously unreported "hemidesmosomal junctions", between folliculo-stellate cells and pituitary adenoma cells |
Fecha de publicación: | 1988 |
Editorial: | Murcia : F. Hernández |
ISSN: | 0213-3911 |
Materias relacionadas: | CDU::6 - Ciencias aplicadas::61 - Medicina::616 - Patología. Medicina clínica. Oncología::616.8 - Neurología. Neuropatología. Sistema nervioso |
Palabras clave: | Pituitary adenomas Hemidesmosomal junction |
Resumen: | Thirty-eight non-functioning pituitary adenomas were ultrastructurally investigated with particular attention to the Folliculo-Stellate (FS) cells. A large number of FS cells were found in four cases, one of which disclosed a new type of intercellular junction between FS cells and surrounding adenoma cells. These junctions were characterized by 1) the presence of plasmalemmal attachment plaques only in FS cells, 2) the cytoplasmic filaments assembling in parallel to the attachment plaques, 3) the parallel plasma membranes being separated by the intercellular amorphous material and 4) the intercellular space of approximately 25nm width. They were similar to hemidesmosomes, but were quite different from hemidesmosome-like intercellular specializations which have been described in the normal meninges and human meningiomas. Accordingly, we designated these new junctions as nhemidesmosomal int~ctionsu which appeared to be one of the ultrastructural features characterizing FS cells. |
Autor/es principal/es: | Osamu Tachibana Tetsumori Yamashima |
Forma parte de: | Histology and histopathology |
URI: | http://hdl.handle.net/10201/17929 |
Tipo de documento: | info:eu-repo/semantics/article |
Número páginas / Extensión: | 4 |
Derechos: | info:eu-repo/semantics/openAccess |
Aparece en las colecciones: | Vol. 3, nº 3 (1988) |
Ficheros en este ítem:
Fichero | Descripción | Tamaño | Formato | |
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Previously unreported hemidesmosomjauln ctions between folliculostellate cells and pituitary adenoma cells.pdf | 548,73 kB | Adobe PDF | Visualizar/Abrir |
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