noun🔗ShareAmbulacres(of an echinoderm) A row of pores for the protrusion of appendages such as tube feet."The sea star uses its ambulacra, visible as rows of tiny holes along its arms, to extend its tube feet and grip onto rocks. "L'étoile de mer utilise ses ambulacres, visibles sous forme de rangées de minuscules trous le long de ses bras, pour étendre ses podia et s'agripper aux rochers.anatomyanimalbiologyorganismpartChat with AIVocabulary GamePractice Reading
