{"title":"Agranular membrane complexes in certain smooth-muscle cells of the lamina propria of the human oviduct. An electron-microscope study.","authors":"M J Clyman, I Spiegelman, T Ross","doi":"","DOIUrl":null,"url":null,"abstract":"<p><p>Electron-microscopic examination of 40 tubal specimens from 28 patients revealed the unexpected presence of considerable numbers of smooth-muscle cells in the lamina propria. These \"fibromuscular\" cells (FM) are branched and have irregular contours; others resemble fibrocytes. All have the identifying features of smooth-muscle cells: from 50 to 75 A filaments with scattered densities, plasmalemmal thickenings, and basement lamina. A prominent smooth-muscle complex (SMC) is associated with certain of these smooth-muscle cells. They are located in all three segments of the tube and concentrated in the 10 cell layers subjacent to the epithelium. These complexes resemble structures in a variety of steroid-synthesizing cells and may possibly play a comparable role in the oviduct.</p>","PeriodicalId":79216,"journal":{"name":"Diagnostic gynecology and obstetrics","volume":"4 3","pages":"183-92"},"PeriodicalIF":0.0000,"publicationDate":"1982-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Diagnostic gynecology and obstetrics","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Electron-microscopic examination of 40 tubal specimens from 28 patients revealed the unexpected presence of considerable numbers of smooth-muscle cells in the lamina propria. These "fibromuscular" cells (FM) are branched and have irregular contours; others resemble fibrocytes. All have the identifying features of smooth-muscle cells: from 50 to 75 A filaments with scattered densities, plasmalemmal thickenings, and basement lamina. A prominent smooth-muscle complex (SMC) is associated with certain of these smooth-muscle cells. They are located in all three segments of the tube and concentrated in the 10 cell layers subjacent to the epithelium. These complexes resemble structures in a variety of steroid-synthesizing cells and may possibly play a comparable role in the oviduct.
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