Graphical Symbol in full simplified diode, indirectly heated duodiode, indirectly heated or triode, indirectly heated or duotriode with separated cathodes, indirectly heated, heating filament with central tapping, internal screening of the system tetrode pentode, suppressor grid connected with cathode triode - pentode triode - heptode (according to the circuit, the systems may be drawn left-and-right reversed) 1.10. From Wordnik.com. [1. Selected Graphical Symbols of Electrotechnology] Reference
We thank Ruud Joosten for help with construction of the tetrode arrays and with surgeries. From Wordnik.com. [PLoS Biology: New Articles] Reference
"For recording, we used chronically implanted multi-tetrode arrays - a technique that offered us the chance to monitor many neurons at extremely high recording quality.". From Wordnik.com. [PhysOrg.com - latest science and technology news stories] Reference
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