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CHAPTER 7 - PERIPHERAL BLOOD
Histology Guide
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MICROGRAPH

NAME
EM 171 Lymphocyte
TISSUE
Human Blood
IMAGE SIZE
5,996 x 6,176 pixels
MB
FILE SIZES
18,877 KB (grayscale)
18,804 KB (color)
MAGNIFICATION
Unknown
PIXEL SIZE
1.715 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 171 Lymphocyte

Lymphocyte

Lymphocytes are immune cells of similar morphology that have distinct functions. They develop the ability to recognize and respond to antigens, produce antibodies, kill virus-infected or tumor cells, and regulate other immune cells.

Different types of lymphocytes are identified by molecules on their cell surface.

This is a medium lymphocyte (~10 µm in diameter). The round nucleus is surrounded by a relatively thin rim of cytoplasm.

  • Plasma Membrane (dark green) - extends small processes involved in motility.
  • (blue) / (purple)
  • Golgi Apparatus - not visible.
  • (red) - relatively few in number.
  • (cyan) - few scattered fragments.
  • (dark green) - numerous free ribosomes.
  • Cytoplasm (green)
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