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CHAPTER 7 - PERIPHERAL BLOOD
Histology Guide
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MICROGRAPH

NAME
EM 161 Eosinophil
TISSUE
Connective Tissue
IMAGE SIZE
8,667 x 8,069 pixels
267 MB
FILE SIZES
49,897 KB (grayscale)
50,673 KB (color)
MAGNIFICATION
Unknown
PIXEL SIZE
3.280 nm
SOURCE
Stanley L. Erlandsen
Department of Genetics, Cell Biology and Development
School of Medicine
University of Minnesota
Minneapolis, MN

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EM 161 Eosinophil

Eosinophil

Eosinophils are immune cells that migrate from blood into connective tissue. They are involved in many inflammatory processes, including parasitic infections, allergic diseases, and asthma.

are easily recognized by their distinctive granules.

  • (blue) / Nuclear Envelope (purple) - usually eccentric and bilobed
  • (orange) - large granules (0.5 to 1.5 µm in diameter) that are usually ellipsoid with a linear, crystalline core.
  • (red) - contain several cristae.
  • Cytoplasm (orange)

Other cells:

  • (right; purple) - large, round granules that contain homogenous, electron-dense material
  • (top; tan) - large amount of rough endoplasmic reticulum with dilated cisternae
  • Fibroblasts (bottom; green)
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