endocardial cushion morphogenesis
The process in which the anatomical structure of the endocardial cushion is generated and organized. The endocardial cushion is a specialized region of mesenchymal cells that will give rise to the heart septa and valves.
GO:0072132
mesenchyme morphogenesis
is_a
GO:0003007
heart morphogenesis
part_of
GO:0003197
endocardial cushion development
part_of