the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > division Molluscoidea > [adjective] > of or belonging to Tunicata > of or relating to Ascidia > parts of (3)
Zoology. Designating an epicardium of an ascidian (see epicardium, n. 2); of or relating to an epicardium; = epicardial, adj. 2. Now rare.
Zoology. Designating an epicardium of an ascidian (see epicardium, n. 2); of or relating to an epicardium. Cf. epicardiac, adj. 2b.