👉 The term "interfiltrated" is a medical terminology used to describe the process by which substances are passed through a biological system, such as the blood or lymphatic system. This can occur in various situations and conditions, including infections, inflammation, or injury. In the context of the interstitial lung disease (ILD), interfiltrated substances refer to a type of protein that is released into the interstitial space, which is the thin layer surrounding the lungs. The proteins are typically found in the