👉 Interstitially refers to a process in which a substance, typically water or air, is introduced into an area that is already occupied by another substance. This can happen through various means such as diffusion, evaporation, or condensation. Interstitials are often found in the interior of living organisms and are responsible for maintaining homeostasis in the body, providing nutrients to cells, and regulating fluid balance. In a more general sense, interstitially could refer to any process that involves the absorption
