When the intestine is permeable and inflamed, infectious or toxic substances “leak” through the lining into the blood stream.
At the same time, it would become a permeable border for Kashmiris, who could move back and forth easily.
Eakin did her best to make the division as permeable as possible.
permeable per·me·a·ble (pûr'mē-ə-bəl)
That can be permeated or penetrated, especially by liquids or gases.