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CHAPTER 7 - PERIPHERAL BLOOD
Histology Guide
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MICROGRAPH

NAME
EM 226 Monocyte
TISSUE
Unknown
IMAGE SIZE
10,737 x 8,863 pixels
363 MB
FILE SIZES
65,413 (grayscale)
66,677 KB (color)
MAGNIFICATION
Unknown
PIXEL SIZE
2.004 nm
SOURCE
Stanley L. Erlandsen
Department of Genetics, Cell Biology, and Development
University of Minnesota
Minneapolis, MN

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EM 226 Monocyte

Monocyte

Transmission electron micrograph (TEM) of in a capillary. Monocytes circulate in the bloodstream and move into tissues and differentiate into macrophages and dendritic cells. Macrophages avidly phagocytose microbes, cell debris, and foreign substances.

  • Nucleus (blue) / Nuclear Envelope (purple)
    • Kidney-shaped or indented
  • Golgi Apparatus (yellow) - near the indentation of the nucleus
  • Mitochondria (red)
  • Endoplasmic Reticulum (cyan) - small quantity
  • Lysosomes (black)
  • Plasma Membrane - prominent surface ruffles

Other Cells:

  • Capillary (red)
  • Fibroblasts (tan)
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