#blocking pathway
- To plug — The act of completely covering an opening, a pit, a channel, or a container with a stopper, a lid, soil, or another suitable material to block the passage of fluid, air, or light. Used reflexively, it refers to the clogging or self-obstruction of a pipe, duct, or anatomical pathway (such as a blood vessel or gland) due to the accumulation of debris, sediment, or organic secretions.