book lung
noun
: a saccular breathing organ in many arachnids containing thin folds of membrane arranged like the leaves of a book
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In these final moments, his partially shed exoskeleton blocked his book lungs—delicate, platelike structures that allowed air to enter his body passively.
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Katie Weeman, Scientific American, 29 Sep. 2023
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Katie Weeman, Scientific American, 29 Sep. 2023
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“Book lung.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/book%20lung. Accessed 28 May. 2025.
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book lung
noun
: a saccular breathing organ in many arachnids containing thin folds of membrane arranged like the leaves of a book
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