Clinical depression and Exogenous depression

Clinical depression noun - A state of depression and anhedonia so severe as to require clinical intervention.

Exogenous depression and clinical depression are semantically related. In some cases you can replace phrase "Exogenous depression" with "Clinical depression", this phrases are similar.

Exogenous depression noun - An inappropriate state of depression that is precipitated by events in the person's life (to be distinguished from normal grief).

Clinical depression and exogenous depression are semantically related. You can use "Clinical depression" instead a noun phrase "Exogenous depression".