Lymph node macrophages labelled with Trypan blue

Trypan blue is a vital stain that can be introduced in the body. Circulating Trypan blue is phagocyted by macrophages which become marked in blue. Light microscope micrograph showing macrophages in the medullary sinuses of a lymph node. Mast cells appear stained in red by safranin used as contrast dye

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Keywords: blue histology light lymph macrophage micrograph microscope microscopy node pathology phagocytosis trypan

Username: Jlcalvo

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