â¢ When the axon hillock is depolarized to threshold, an action potential is generated. Voltage-gated. channels open, thereby increasing permeability of the neuron first to sodium and then to. potassium. â¢ As sodium moves rapidly into the neuron, it produces the rising phase of the action potential. â¢ As the inward movement of sodium slows and the outward movement of potassium increases, the. membrane repolarizes.
Why is 25 pound called a pony in cockney slang. Pony, in British (especially London) slang, is the term for a sum of Â£25.Possibly derived from Indian Ruppee featuring animals on their currency.hy is 25 pound called a pony in cockney slang. Pony, in British (especially London) slang, is the term for a sum of Â£25.
This costs about Â£3 - Â£4 each time as a Â£12- Â£16 syringe will do four little ponies. (One syringe will do four mini Shetland's or one four times). Veterinary costs are rare if you look after your ponies well. So total cost of keeping a mini Shetland pony for a year is approximately Â£140 - Â£200 excluding