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book gill |
Also found in: Wikipedia, Hutchinson | 0.04 sec. |
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book gill: see horseshoe crab horseshoe crab, large, primitive marine arthropod related to the spider , sometimes called a king crab (a name also used for the largest of the edible true crabs ). The heavy dark brown exoskeleton, or carapace, is domed and shaped like a horseshoe. ..... Click the link for more information. . book gill [′bu̇k ‚gil] (invertebrate zoology) A type of gill in king crabs consisting of folds of membranous tissue arranged like the leaves of a book. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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