electrical synapse

a type of connection in which neurons are not separated by a cleft but instead are joined by a gap junction so that the nerve impulse is transmitted across without first being translated into a chemical message.

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Psychology term of the day

January 19th 2025

convergent evolution

the tendency of unrelated organisms in a particular environment to evolve superficially similar body structures that enable them to adapt effectively to their habitat. Thus, many aquatic animals acquire a streamlined form and smooth surfaces for rapid movement through water. See also homoplasy. Compare divergent evolution.