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| occurring across a membrane, as an electric potential or the transport of ions or gases |
| transfer of information from one cell or molecule to another, as by chemical or electrical signals |
| heterogenous (ˌhɛtəˈrɒdʒɪnəs) | |
| —adj | |
| biology, med Compare autogenous not originating within the body; of foreign origin: a heterogenous skin graft | |
heterogenous het·er·og·e·nous (hět'ə-rŏj'ə-nəs)
adj.
Not arising within the body; derived from another individual or species.