book lung


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  • noun

Words related to book lung

organ in many arachnids containing many thin folds of membrane resembling the leaves of a book

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References in periodicals archive ?
The book lung volume of the spiders A1 and A2 were 12.2 [mm.sup.3] and 37.5 [mm.sup.3], respectively.
Grammostola rosea showed refined morphological characteristics in its book lungs. Their thin air-hemolymph barrier, combined with appropriate values of respiratory surface density and book lung volume, results in high oxygen diffusion capacities allowing a good oxygen delivery even at low oxygen pressures.
Pretreatment with 5% TCA at 90[degrees]C to extract DNA, followed by staining in fast green at pH 8.1 resulted in coloration only in nuclei of the book lung and other somatic tissues adjacent to the testis, but the sperm remained unstained (Table 1, Fig.
The book lungs of Scorpiones and Tetrapulmonata (Chelicerata, Arachnida): Evidence for homology and a single terrestrialisation event of a common arachnid ancestor.
Some spiders have a tracheal system to deliver oxygen to their tissues, some have both tracheae and book lungs, and some have only book lungs.