depressive disorders
Psychiatric term referring to a group of mood disorders characterized by persistent low mood and loss of interest. Used in clinical contexts.
Depressive disorders include major depressive disorder and persistent depressive disorder.
うつ病 is the common term for 'depression' as a single illness, while 抑うつ障害群 is a broader clinical category encompassing multiple depressive disorders.
Compound of 抑 (suppress), うつ (depression), 障害 (disorder), and 群 (group). The term is a modern medical coinage.