noun[mass noun] Physiology
The technique of running a stream of liquid over the surface of a piece of suspended tissue, keeping it viable and allowing observation of the interchange of substances.
- In guard cells, artificial repetitive transients were produced by superfusion of epidermal strips with depolarizing and hyperpolarizing buffers.
- The cause of the time-dependent loss of dye signal and increase in frequency of fluctuations remains unclear, but might be attributable to the washout of some key extra-mitochondrial factor during superfusion.
- Increasing the extracellular concentration of ammonium in whole-cell superfusion increases the intracellular alkalosis.
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