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Pancreas cap axon80308
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Pancreas cap. axon#80308

March 25, 2013
Transmission electron microscope image of a thin section cut through the pancreas(mammalian). This image shows a capillary within the pancreatic tissue(acinar cells in this image). Note the abundance of rough endoplasmic reticulum in the acinar cells. There is a red blood cell within the capillary. The capillary lining consists of long, thin endothelial cells, connected by tight junctions. The image shows fenestration of these endothelial cells. The image also shows synaptic vesicles in the neuron(nerve cell) next to the capillary. JEOL 100CX Credit: Louisa Howard