gap junction

(redirected from electrotonic junction)
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gap junction

n.
An intercellular network of protein channels that facilitates the cell-to-cell passage of ions, hormones, and neurotransmitters.

gap′ junc`tion


n.
Biol. a structure consisting of a series of channels extending across the gap between two cells, allowing the passage of ions, small molecules, etc.
Translations
nexus
References in periodicals archive ?
Moreover, electrophysiological studies have shown that the unmyelinated axons of SNs are efferent even though they emerge from the dorsal roots of the spinal cord and are coupled by electrotonic junctions (2, 3, 4, 5, 6).
Physiology and ultrastructure of electrotonic junctions.