Aristotle's lantern

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Aristotle's lantern

[′ar·ə‚städ·əlz ′lant·ərn]
(invertebrate zoology)
A five-sided feeding and locomotor apparatus surrounding the esophagus of most sea urchins.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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