세포의 외부에 존재하거나 세포 밖에서 발생하는.
Situated or occurring outside a cell or the cells of an organism.
예문:
"The extracellular matrix provides essential structural support for the surrounding tissues."
"Extracellular fluid contains high concentrations of sodium and chloride ions."
"Certain bacteria secrete extracellular enzymes to digest nutrients in their environment."