Cytologic observations on the pancreatic islets with reference to some endocrine-like cells of the gastrointestinal mucosa

Enrico Solcia, Roberto Sampietro

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37 Citations (Scopus)

Abstract

Some findings obtained from cytological studies on the pancreatic islet of man and different animal species by applying several appropriate methods are reported. Three islet cell types were found to be simultaneously demonstrated by toluidine blue after methylation and saponification of tissue sections; metachromasia appeared to be in some way a constant finding of argyrophil D-cells which, at least in duck and man, displayed also a weak PAS-positivity. No one of the three insular cell types was found to show all the morphologic patterns of enterochromaffine cells, nor enterochromaffine cells showed all the patterns of insular cells. The existence of possible morphologic relationships between insular A-cells and some endocrine-like cells in fundic mucosa and, on the other hand, between argyrophil D-cells and some cells in antro-pyloric mucosa of the stomach is emphasized.

Original languageEnglish
Pages (from-to)689-698
Number of pages10
JournalZeitschrift für Zellforschung und Mikroskopische Anatomie
Volume68
Issue number5
DOIs
Publication statusPublished - Sep 1965

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Enteroendocrine Cells
Islets of Langerhans
Mucous Membrane
Saponification
Tolonium Chloride
Methylation
Animals
Somatostatin-Secreting Cells
Tissue
Endocrine Cells
Ducks
Stomach

ASJC Scopus subject areas

  • Cell Biology
  • Clinical Biochemistry
  • Medicine(all)
  • Anatomy

Cite this

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abstract = "Some findings obtained from cytological studies on the pancreatic islet of man and different animal species by applying several appropriate methods are reported. Three islet cell types were found to be simultaneously demonstrated by toluidine blue after methylation and saponification of tissue sections; metachromasia appeared to be in some way a constant finding of argyrophil D-cells which, at least in duck and man, displayed also a weak PAS-positivity. No one of the three insular cell types was found to show all the morphologic patterns of enterochromaffine cells, nor enterochromaffine cells showed all the patterns of insular cells. The existence of possible morphologic relationships between insular A-cells and some endocrine-like cells in fundic mucosa and, on the other hand, between argyrophil D-cells and some cells in antro-pyloric mucosa of the stomach is emphasized.",
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