the ecm of three species of sea urchin , strongylocentrotus purpuratus , lytechinus variegatus and lytechinus pictus , was disrupted with the lathrytic agent beta-aminopropionitrile ( bapn ) , which inhibits collagen deposition in the ecm and arrests gastrulation ( wessel & mcclay , devl biol .
C0009325
collagen
C0015350
ecm