👉 Caseous is a medical term used to describe an internal structure that forms when cells in the body are damaged or destroyed. It's like a protective membrane around a cell, which helps prevent it from breaking down and spreading throughout the body. The specific function of this type of cell is not known but it plays a crucial role in maintaining homeostasis (balance) in the body. In general, caseous cells can be found in organs such as the liver, spleen, heart, and brain