289 Human Alveoli Stock Photos and High-res Pictures

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alveolar macrophage (phagocyte) & alveoli. normal human lung, 100x at 35mm. the alveolar macrophage is in a small alvelolus in the upper left hand portion of the image. macrophages patrol the alveoli phagocytizing any foreign particulate matter--als - human alveoli stock pictures, royalty-free photos & images
alveolar macrophage (phagocyte) & alveoli. normal human lung, 100x at 35mm. the alveolar macrophage is in a small alvelolus in the upper left hand portion of the image. macrophages patrol the alveoli phagocytizing any foreign particulate matter--als - human alveoli stock pictures, royalty-free photos & images
Alveolar macrophage (phagocyte) & alveoli. Normal human lung, 100X at 35mm. The alveolar macrophage is in a small alvelolus in the upper left hand portion of the image. Macrophages patrol the alveoli phagocytizing any foreign particulate matter--als
normal human lung. alveoli, alveolar (air) sacs, 50x at 35mm. shows the thin alveolar walls (simple squamous epithelium) adapted for gas exchange. the red structures in the walls are red blood cells in the pulmonary capillaries. - human alveoli stock pictures, royalty-free photos & images
normal human lung. alveoli, alveolar (air) sacs, 50x at 35mm. shows the thin alveolar walls (simple squamous epithelium) adapted for gas exchange. the red structures in the walls are red blood cells in the pulmonary capillaries. - human alveoli stock pictures, royalty-free photos & images
Normal human lung. Alveoli, alveolar (air) sacs, 50X at 35mm. Shows the thin alveolar walls (simple squamous epithelium) adapted for gas exchange. The red structures in the walls are red blood cells in the pulmonary capillaries.
alveolar wall, alveoli & respiratory membrane. normal human lung tissue, 250x at 35mm. shows the thin alveolar wall (simple squamous epithelium) and the extremely thin respiratory membrane beautifully adapted for gas exchange. also, shows red blood - human alveoli stock pictures, royalty-free photos & images
alveolar wall, alveoli & respiratory membrane. normal human lung tissue, 250x at 35mm. shows the thin alveolar wall (simple squamous epithelium) and the extremely thin respiratory membrane beautifully adapted for gas exchange. also, shows red blood - human alveoli stock pictures, royalty-free photos & images
Alveolar wall, alveoli & respiratory membrane. Normal human lung tissue, 250X at 35mm. Shows the thin alveolar wall (simple squamous epithelium) and the extremely thin Respiratory Membrane beautifully adapted for gas exchange. Also, shows red blood
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