👉 The term "nigresceous" is a term used in medicine to describe a condition where the body's immune system is unable to properly fight off infections or diseases. In this context, it refers to an abnormal response that occurs when the body's immune system becomes too active and attacks healthy tissues, leading to a range of symptoms including fever, chills, fatigue, and swollen lymph nodes. Nigresceous can be caused by a variety of factors, such as infections, autoimmune