book lung
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book lung
noun
the respiratory organ of a spider, scorpion, or other arachnid, composed of thin, membranous structures arranged like the leaves of a book.
Origin:
1895–1900
1895–1900
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Link To book lung
American Heritage
Science Dictionary
book lung  (b k) Pronunciation Key
The breathing organ of scorpions, spiders, and some other arachnids. It consists of membranes arranged in several parallel folds like the pages of a book. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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00:10
Book lung
is always a great word to know.
So is slumgullion. Does it mean:
| a stew of meat, vegetables, potatoes, etc. |
| a chattering or flighty, light-headed person. |
Encyclopedia Britannica
Encyclopedia
book lung
form of respiratory organ found in certain air-breathing arachnid arthropods (scorpions and some spiders). Each book lung consists of a series of thin plates that are highly vascular (i.e., richly supplied with blood) and are arranged in relation to each other like the pages of a book. These plates extend into an internal pouch formed by the external skeleton that opens to the exterior by a small slit. This provides an extensive surface for the exchange of oxygen and carbon dioxide with the surrounding air. There are four pairs in scorpions and up to two in spiders.
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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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