book lung
book lung
book′ lung`
n.
book lung
(bo͝ok)Noun | 1. | book lung - organ in many arachnids containing many thin folds of membrane resembling the leaves of a book |
单词 | book lung | |||
释义 | book lungbook lungbook′ lung`n. book lung(bo͝ok)
book lungbook lung,terrestrial respiratory organ characteristic of arachnids such as scorpions and primitive spiders. Each book lung consists of hollow flat plates. Air bathes the outer surface of the plates and blood circulates within them, facilitating the exchange of gases. In most species, adequate gas exchange occurs without any muscular movement to ventilate the lung.book lung[′bu̇k ‚ləŋ]book lungbook lungbook lung
Words related to book lung
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