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epitheca |
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epitheca [¦ep·ə′thē·kə] (invertebrate zoology) An external, calcareous layer around the basal portion of the theca of many corals. A protective covering of the epicone. The outer portion of a diatom frustule. 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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