𝔖 Bobbio Scriptorium
✦   LIBER   ✦

The spatial distribution of currents in the receptor layer of the frog retina

✍ Scribed by W. Ehrhardt; Ch. Baumann

Book ID
104741626
Publisher
Springer-Verlag
Year
1977
Tongue
English
Weight
710 KB
Volume
25
Category
Article
ISSN
0340-1200

No coin nor oath required. For personal study only.

✦ Synopsis

Steady state patterns of currents flowing extracellularly in the receptor layer of the frog retina are used to work out an electrical model of vertebrate rods. The model can be thought of as a linear network consisting of resistances and current sources. The model predicts the axial spread of currents along the outside of the receptors. In addition, it predicts membrane voltages in light and darkness. If the dark-adapted receptors are assumed to have a uniform membrane with a specific resistance of 500 f~. cm 2, a single rod gives rise to an extracellular dark current of about 200 pa.

πŸ“œ SIMILAR VOLUMES

B-wave currents in the frog retina
B-wave currents in the frog retina
✍ Eric A. Newman πŸ“‚ Article πŸ“… 1979 πŸ› Elsevier Science 🌐 English βš– 901 KB
Potassium currents in endfeet of isolate
Potassium currents in endfeet of isolated MΓΌller cells from the frog retina
✍ Serguei N. Skatchkov; Ladislav Vyklicky; Dr. Richard K. Orkand πŸ“‚ Article πŸ“… 1995 πŸ› John Wiley and Sons 🌐 English βš– 963 KB

Voltage dependent potassium currents were recorded using the wholecell mode of the patch-clamp technique for the first time from endfeet of Muller cells dissociated from the frog retina. Recordings from intact cells and isolated endfeet indicate that the inward rectifier potassium channel is the dom