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.
Since 1971, the monetary system of Great Britain is based on the decimal system. The basic unit of British currency (currency of the United Kingdom and the Crown Dependencies) is the pound, which is divided into one hundred pence. (abbreviated as p). guinea (first issued on February 6th, 1663) was sometimes used as a unit of account. A guinea was a gold coin, originally made of gold from the Guinea coast of Africa, worth 21 shillings (or one pound and 1 shilling) in old British money.