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Cell density higher in small islets. (A) The density of α, β and δ-cells within small and large islets were calculated as cells/area from immunofluroscent images of pancreatic sections (in situ) and from isolated islets (in vitro). (B) The total cellular density was measured from TEM micrographs of isolated islets. (*p < 0.05) and (**p < 0.01).
