atrioventricular valve formation
The developmental process pertaining to the initial formation of the atrioventricular valve from unspecified parts. This process begins with the specific processes that contribute to the appearance of the discrete structure and ends when the structural rudiment is recognizable.
GO:0003188
heart valve formation
is_a
GO:0003181
atrioventricular valve morphogenesis
part_of
AV valve formation
exact