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Rectosigmoid- or colonoscopy biopsies were performed at different levels of the large intestine of 16 adult subjects free from major intestinal disease. Tissue specimens were subsequently examined by… (More)
The large intestine resected from 6 Hirschsprung's patients and surgical colonic biopsies from 6 control children were examined with light and electron microscopy. The presence and the relative… (More)
In endocrine cells of the colon of adults, children and fetuses, exocytotic granule release without any specific stimulation is reported. Omega-invaginations are observed on both the lateral and… (More)
In 9 fetuses, 9 to 24 weeks-old, the occurrence and relative distribution of argentaffin cells, as well as of cells immunoreactive to somatostatin (SRIF), glucagon-like polypeptide (GLI), pancreatic… (More)