ambulacral

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adjective am·bu·la·cral \ˌam-byə-ˈla-krəl, -ˈlā-\

Definition of ambulacral

  1. :  of, relating to, or being any of the radial areas of echinoderms along which run the principal nerves, blood vessels, and elements of the water-vascular system ambulacral grooves

First Known Use of ambulacral

1811

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