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proliferation cell adhesion cell communication regulation of molecular function cellular response to stimulus nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process response to external stimulus response to chemical localization of cell movement of cell or subcellular component anatomical structure development response to stress response to abiotic stimulus epithelial cell proliferation cell adhesion cell communication regulation of molecular function cellular response to stimulus nitrogen compound metabolic process cellular metabolic process primary metabolic process organic substance metabolic process response to external stimulus response to chemical localization of cell movement of cell or subcellular component anatomical structure development response to stress response to abiotic stimulus epithelial cell proliferation cell adhesion cell communication regulation of molecular function cellular response to 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