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CHAPTER 1 - THE CELL
Histology Guide
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MICROGRAPH

NAME
EM 016 Macrophage
TISSUE
Peritoneum
IMAGE SIZE
5,850 x 4,747 pixels
106 MB
FILE SIZES
7,877 KB (grayscale)
8,091 KB (color)
MAGNIFICATION
1000x
PIXEL SIZE
2.397 nm
SOURCE
Carol Wells
University of Minnesota
Minneapolis, MN

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Robert L. Sorenson, Ph.D.

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University of Minnesota
Department of Genetics, Cell Biology and Development
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EM 016 Macrophage

Macrophage

Macrophages are phagocytic cells that are common in connective tissue. Phagocytosis is the process by which cells bind and internalize microbes, cell debris, and apoptotic cells.

An isolated macrophage as seen by scanning electron microscopy (SEM). It has both membrane-adherent and partially ingested bacteria. Note the close adhesion of the plasma membrane of the macrophage to the bacterium being phagocytized.

  • Macrophage (blue)
  • (yellow)
  • (purple)
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