title: Formation of the ultrastructural components of Ciona intestinalis tadpole test by the animal embryo.
mesh_terms: D000818:Animals; D001485:Basement Membrane / Q000648:ultrastructure; D002454:Cell Differentiation; D002816:Chordata, Nonvertebrate / Q000196:embryology*; D004475:Ectoderm / Q000648:ultrastructure*; D004721:Endoplasmic Reticulum / Q000648:ultrastructure; D007814:Larva / Q000166:cytology; D008854:Microscopy, Electron