adjective. Located or occurring outside a cell or cells.

Being, occurring, or done outside of a cell: opposed to intracellular: as, cavitary or extracellular digestion, respiration, etc., as distinguished from any vital process or physiological activity inside of the cells of which the body is composed.

adjective. located or occurring outside of a living cell or cells. Opposite of intracellular.

adjective. occurring or found outside of a cell

adjective. located or occurring outside a cell or cells

"The viral RNA challenge falls short because the genomes of such viruses do decay in extracellular environments."

bifunctional  cytosolic  exogenous  fibrinolytic  heme