Of or pertaining to ambulacra avenuelike as ambulacral ossicles plates spines and suckers of echinoderms
- regarding the ambulacra of radial echinoderms
- Of or related to ambulacra; avenuelike; because, the ambulacral ossicles, dishes, spines, and suckers of echinoderms.
(a.) Of or regarding ambulacra; avenuelike; since, the ambulacral ossicles, dishes, spines, and suckers of echinoderms.
In more typical echinoids the covering-plates alone remained to form the ordinary ambulacral plates, while the flooring-plates disappeared, the canals and other organs remaining as before.