book lung
noun Date: 1897 a saccular breathing organ in many arachnids containing thin folds of membrane arranged like the leaves of a book

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • book lung — bu̇k n a saccular breathing organ in many arachnids containing thin folds of membrane arranged like the leaves of a book * * * book lung a lunglike invagination that functions as a gas exchange organ, found on the underside of the abdomen of many …   Medical dictionary

  • book-lung — (bookґlung″) see under lung …   Medical dictionary

  • book lung — book′ lung n. ivt the respiratory organ of many arachnids, composed of thin, paperlike layers of tissue • Etymology: 1895–1900 …   From formal English to slang

  • Book lung — A book lung is a type of respiration organ used for atmospheric gas exchange and is found in arachnids, such as scorpions and spiders. Each of these organs is found inside a ventral abdominal cavity and connects with the surroundings through a… …   Wikipedia

  • book lung — noun organ in many arachnids containing many thin folds of membrane resembling the leaves of a book • Hypernyms: ↑respiratory organ * * * noun : a saccular breathing organ occurring in many arachnids that contains numerous thin folds of membrane… …   Useful english dictionary

  • book lung — the respiratory organ of a spider, scorpion, or other arachnid, composed of thin, membranous structures arranged like the leaves of a book. [1895 1900] * * * ▪ anatomy       form of respiratory organ found in certain air breathing arachnid… …   Universalium

  • book lung — (ARTHROPODA: Chelicerata) A series of leaf like respiratory pouches of arachnids, located on the internal ventral surface of the abdomen, and believed to be modified insunken gills …   Dictionary of invertebrate zoology

  • book lung — noun A lamellate respiratory organ found in arachnids …   Wiktionary

  • book lung — noun Zoology (in an arachnid) each of a pair of respiratory organs in the abdomen, composed of many fine leaves …   English new terms dictionary

  • lung book — noun : book lung; especially : the functional laminated part of a book lung …   Useful english dictionary

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