Cellular junctions in the tunicate heart.
D000818:Animals; D002462:Cell Membrane; D002816:Chordata, Nonvertebrate / Q000033:anatomy & histology*; D005613:Freeze Etching; D007365:Intercellular Junctions; D007811:Lanthanum; D008854:Microscopy, Electron; D009206:Myocardium / Q000166:cytology*
D007811:Lanthanum