a severe form of depression usually characterized by insomnia, weight loss, and inability to experience pleasure, thought to be of internal origin and not influenced by external events.
endogenous depression n.
A group of symptoms that resemble depression but are not precipitated by a stressful experience, especially psychomotor agitation or retardation, insomnia and early morning awakening, weight loss, excessive guilt, and a lack of reactivity to one’s environment.
[en-doj-uh-nuh s] /ɛnˈdɒdʒ ə nəs/ adjective 1. proceeding from within; derived internally. 2. Biology. growing or developing from within; originating within. 3. Pathology. (of a disease) resulting from conditions within the organism rather than externally caused. 4. Biochemistry. pertaining to the metabolism of nitrogenous elements of cells and tissues. 5. Geology. . /ɛnˈdɒdʒɪnəs/ adjective 1. […]
[en-doj-uh-nee] /ɛnˈdɒdʒ ə ni/ noun, Biology. 1. development or growth from within.
endointoxication en·do·in·tox·i·ca·tion (ěn’dō-ĭn-tŏk’sĭ-kā’shən) n. Poisoning by an endogenous toxin.
[en-doh-lith-ik] /ˌɛn doʊˈlɪθ ɪk/ adjective 1. living embedded in the surface of rocks, as certain lichens. /ˌɛndəʊˈlɪθɪk/ adjective 1. (of organisms, such as algae) growing inside rock