File:Julus segment EB1911.png

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Description
English: Inner view of ventral area of a single segment of Julus, much enlarged to show the structure and arrangement of the tracheal organs. The two pairs of tracheae are seen in situ, the posterior pair overlapping the anterior.
  • h, Posterior margin of the body- ring (tergum).
  • r, Anterior border
  • st, Tubular chamber of tracheae
  • t, Fine tracheae given off from it.
  • ms, Respiratory muscle attached to tracheal sac.
  • m, Ventral body muscle
Date
Source 'Encyclopædia Britannica (11th ed.), 1911, v. 18
Author Unknown authorUnknown author

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Public domain This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States.

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current07:17, 21 February 2015Thumbnail for version as of 07:17, 21 February 2015821 × 599 (358 KB)Animalparty (talk | contribs)User created page with UploadWizard

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