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book-lung a lunglike invagination that functions as a gas exchange organ, found on the underside of the abdomen of many arachnids, which opens to the surface by means of a spiracle and contains numerous thin membranous lamellae arranged like book leaves.Medical dictionary. 2011.
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 — 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
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
