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Definisi 'ambulacrum'
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English to English noun
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one of the five areas on the undersurface of an echinoderm on which the tube feet are located |  | source: wordnet30
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One of the radical zones of echinoderms, along which run the principal nerves, blood vessels, and water tubes. These zones usually bear rows of locomotive suckers or tentacles, which protrude from regular pores. In star fishes they occupy the grooves along the under side of the rays. | | source: webster1913
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