ALL meanings of ambulacrum
am·bu·lac·rum
A a - noun ambulacrum any of five radial bands on the ventral surface of echinoderms, such as the starfish and sea urchin, on which the tube feet are situated 3
- noun ambulacrum in echinoderms, that surface area containing a radiating series of perforated plates through which the tube feet extend 3
- noun ambulacrum (in a starfish or other echinoderm) each of the radially arranged bands, together with their underlying structures, through which the double rows of tube feet protrude. 1
- noun plural ambulacrum one of the radial areas in an echinoderm, as the sea urchin, bearing the tube feet by which the creature moves. 1
- noun ambulacrum (of an echinoderm) A row of pores for the protrusion of appendages such as tube feet. 0