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An excretory duct inside the trachea (400X)

Microimage
Image copyright: University of Oslo, CC BY-NC-ND 4.0. (Tissue stain: H+E).

Try to identify:

  • an excretory duct
  • Hyaline cartilage
  • Pseudostratified columnar epithelium
  • Cilia
  • Goblet cells