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CHAPTER 2 - EPITHELIUM
Histology Guide
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MICROGRAPH

NAME
EM 097 Cilia
TISSUE
Small Intestine
IMAGE SIZE
4,506 x 4,870 pixels
84 MB
FILE SIZES
6,714 KB (grayscale)
7,366 KB (color)
MAGNIFICATION
75,000x
PIXEL SIZE
0.5681 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 097 Cilia

Cilia

Motile cilia seen in cross-section in respiratory epithelium. The core of a cilia is called an axoneme and contains a central pair of microtubules that are surrounded by an outer ring of nine doublet microtubules.

  • Plasma Membrane (dark green)
  • bundle of microtubules that form the core of each cilium
    • Nine outer doublet microtubules (blue and purple)
    • Two central singlet microtubules (yellow)
  • Cytoplasm (green)

The microtubules form a scaffold that binds hundreds of proteins required for motility.

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