| 释义 |
Definition of book lung in English: book lungnoun Zoology (in a spider or other arachnid) each of a pair of respiratory organs composed of many fine lamellae. They are situated in the abdomen and have openings on the underside. Example sentencesExamples - A researcher at the University of Manchester has reported finding slit-like structures and book lungs on some eurypterid fossils.
- Respiration takes place through the body surface, and/or by means of gills, tracheae, or book lungs.
- Most spiders breathe through tracheae; some, like the wolf spiders, have both book lungs and tracheae.
- Like spiders, they were terrestrial and respired through book lungs, and walked on eight legs.
Definition of book lung in US English: book lungnoun Zoology (in a spider or other arachnid) each of a pair of respiratory organs composed of many fine leaves. They are situated in the abdomen and have openings on the underside. Example sentencesExamples - A researcher at the University of Manchester has reported finding slit-like structures and book lungs on some eurypterid fossils.
- Most spiders breathe through tracheae; some, like the wolf spiders, have both book lungs and tracheae.
- Like spiders, they were terrestrial and respired through book lungs, and walked on eight legs.
- Respiration takes place through the body surface, and/or by means of gills, tracheae, or book lungs.
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