👉 The term "athogen" is a term used in biology to describe an organism that lacks specific metabolic pathways or enzymes needed for certain functions. It can be associated with diseases such as cystic fibrosis, where an individual's lungs are unable to produce enough bicarbonate ions, which are essential for normal function of the respiratory system and heart muscle. In this case, "athogen" refers to a person who lacks these specific metabolic pathways or enzymes.