Data 1: Posterior heart end of E. rowelli. Stack of images of histological sections stained with Azan.
Movie 1: Overview of vascular and lacunar system.
Movie 2: Heart contraction.
Movie 3: Movement of ostia.
Movie 4: Main body cavity.
Movie 5: Anterior aorta.
Movie 6: Lacunar system in trunk.
Movie 7: Autonomous heart contraction.
Movie 1: Overview of vascular and lacunar system.
Movie 2: Heart contraction.
Movie 3: Movement of ostia.
Movie 4: Main body cavity.
Movie 5: Anterior aorta.
Movie 6: Lacunar system in trunk.
Movie 7: Autonomous heart contraction.