In an interstitial way.

Of, relating to, or situated in an interstice.

(Internet, advertising) A web page, usually carrying advertising, displayed when leaving one content page for another. / (physics) An interstitial discontinuity in a crystal.

plural of interstitial

interstitial

(physiology) A solution found in tissue spaces that inundates and moistens cells in multicellular animals.

(pathology) a kidney disorder in which the interstitial spaces between the kidney tubules become inflamed

plural of interstitial nephritis

plural of interstitial fluid

(pathology) Any of a group of lung diseases affecting the tissue and space around the air sacs