olfactory pit development
The biological process whose specific outcome is the progression of the olfactory pit from an initial condition to its mature state. This process begins with the formation of the olfactory pit, which is an indentation of the olfactory placode, and ends when the pits hollows out to form the nasopharynx.
GO:0160108
animal gross anatomical part developmental process
is_a
GO:0043584
nose development
part_of