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The context

I was reading this article in Arxiv "The OpenPicoAmp : an open-source planar lipid bilayer amplifier for hands-on learning of neuroscience" (PDF available here) and found two diagrams.

enter image description here

I know the type of diagrams for (B) are called "circuit diagrams", but I don't know what's the name for the type of diagram of (A). Both (A) and (B) use a buffer amplifier, but I wonder if there's a common name for the type of diagram of (A).

The question

Is there a common name for the type of diagram of (A)? If not, what's the name of the blue part called? (If I recall correctly, the red part is called "buffer amplifier")

enter image description here

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  • $\begingroup$ a cross section? $\endgroup$
    – Abel
    Jul 28, 2022 at 2:06
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    $\begingroup$ Both A & B are circuit diagrams. The difference is that "B" is a closed loop circuit, while the circuit of "A" is connected through the liquid conductor. $\endgroup$
    – r13
    Jul 28, 2022 at 2:34
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    $\begingroup$ neither are called graphs. A is a circuit diagram with details $\endgroup$
    – Tiger Guy
    Jul 28, 2022 at 3:13
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    $\begingroup$ Figure B would typically be called a schematic diagram. $\endgroup$ Jul 28, 2022 at 12:48

1 Answer 1

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The type of diagram in blue is a "pictorial diagram" or "pictorial circuit diagram." Figure A a combination of a pictorial diagram and a "schematic diagram" or "schematic circuit diagram."

The part shown in figure A is referred to in the paper as a "bilayer chamber." It is a experimental apparatus used to measure the electrical properties of a lipid bilayer. It is not a standard component so there is no standard schematic diagram element for it. The component behaves similarly to a resistor and a capacitor in parallel, so the authors draw it that way in figure B.

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