title: Morphological and cytochemical investigations on the formation of the test during the embryonic development of Ciona intestinalis.
mesh_terms: D000818:Animals; D002938:Ciona intestinalis / Q000196:embryology* / Q000648:ultrastructure; D006651:Histocytochemistry; D007814:Larva / Q000648:ultrastructure; D011134:Polysaccharides / Q000032:analysis; D011506:Proteins / Q000032:analysis; D014561:Urochordata / Q000196:embryology*
chemical_list: D011134:Polysaccharides; D011506:Proteins