book lung

English

Alternative forms

Noun

book lung (plural book lungs)

  2. (arachnology) A lamellate respiratory organ found in arachnids.
    • 1996, Michael J. Roberts, Spiders of Britain and Northern Europe, page 16:
      In addition to book lungs most spiders also have a second respiratory system in the form of paired tracheae; Atypus has none.

Translations

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