<sod>[[File:Zeeegel3.jpg|thumb|Sea urchin shell, or 'test'. Each white band is the location of a row of tube feet; each pair of white bands is called an ''[[Ambulacrum (anatomy)|ambulacrum]].'' There are five such ambulacra; the penta-radial symmetry reveals a kinship with sea stars.]]<eod>
<sod>[[File:Zeeegel3.jpg|thumb|Sea urchin shell, or 'test'. Each white band is the location of a row of tube feet; each pair of white bands is called an ''[[Ambulacrum (anatomy)|ambulacrum]].'' There are five such ambulacra; the penta-radial symmetry reveals a kinship with sea stars.]] im gay<eod>