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adj. - Pertaining to the radially disposed areas of echinoderms

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Usage examples (5)
  • In technical language, the surface from which these fleshy threads protrude, are called ambulacral areas, and the spaces between, interambulacral areas.
  • Echinoderms the interambulacral plates are absent; there are no rows of plates of a different kind alternating with the ambulacral ones, as in the Sea-Urchins and the...
  • -- The ambulacral areas are narrow, but the poriferous zones are rather wide; and the interambulacral areas are about four times as wide as the ambulacral.
  • (combs), from which they take their name of Ctenophorae, with the ambulacral (locomotive) apparatus of the echinoderms.
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