The cell junctions of hydra as viewed by freeze-fracture replication.
D000818:Animals; D002462:Cell Membrane / Q000648:ultrastructure; D005614:Freeze Fracturing; D006829:Hydra / Q000648:ultrastructure*; D007365:Intercellular Junctions / Q000648:ultrastructure*; D008870:Microtubules / Q000648:ultrastructure