interstitially

/ˌɪntərˈstɪʃəli/
adverb
  1. In a way that relates to or occurs in the spaces between cells or tissues in the body.
    • Fluid can accumulate interstitially, causing swelling in the legs.
    • The medication is injected interstitially to target the affected tissue directly.
    • Cancer cells sometimes spread interstitially through the connective tissue.
What does "interstitially" mean? | whatsthatwordmean | whatsthatwordmean