development of animal secondary sexual characteristics
The process whose specific outcome is the progression of the secondary sexual characteristics over time, from their formation to the mature structures. In mammals, examples include growth of axillary, chest, and pubic hair, voice changes, testicular/penile enlargement, breast development and menstrual periods. Development occurs in response to sex hormone secretion.
GO:0003006
developmental process involved in reproduction
is_a
GO:0007275
multicellular organism development
part_of
GO:0007548
sex differentiation
part_of
development of secondary sexual characteristics
exact
development of secondary sexual characteristics, sensu Metazoa
exact