ambulacral groove
From ZooTerms (Dictionary of Invertebrate Zoology)
Revision as of 14:23, 12 September 2013 by Andreas Plank (Talk | contribs)
ambulacral groove: (Echinodermata: Asteroidea) A groove or furrow bordered by large spines extending along the oral surface of each arm of sea stars, that contain two to four rows of small tubular projections called feet or podia.
