Between or among cells.
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in·ter·cel·lu·lar .int-ər-'sel-yə-lər adj occurring between cells <\intercellular spaces>
in·ter·cel·lu·lar·ly adv
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adj.
situated or occurring between cells.
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in·ter·cel·lu·lar (in″tər-selґu-lər) between or among cells.Medical dictionary. 2011.