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CHAPTER 5 - CARTILAGE AND BONE
Histology Guide
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MICROGRAPH

NAME
EM 255 Trachea
TISSUE
Trachea
IMAGE SIZE
8,428 x 8,526 pixels
230 MB
FILE SIZES
46,021 KB (grayscale)
44,463 KB (color)
MAGNIFICATION
Unknown
PIXEL SIZE
0.03738 nm
SOURCE
Stanley Erlandsen
Department of Anatomy
University of Minnesota
Minneapolis, Minnesota

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EM 255 Trachea

Hyaline Cartilage

The trachea is a fibromuscular tube supported by incomplete rings of tracheal cartilages (SEM). These rings support the trachea while still allowing it to move and flex during breathing.

  • (purple) - reside in cavities (known as lacunae) within the matrix (most have been fractured through their cell bodies)
  • (blue) - mostly type II collagen and chondroitin sulphate
  • (tan) - thin layer of connective tissue that covers the exterior surface of the cartilage
  • Connective Tissue (tan) - continuous with the perichondrium

Hyaline cartilage contains no blood vessels or nerves.

Other features:

  • (yellow) - its ultrastructure cannot be examined in this specimen
  • - several are found on the surface of this sample
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