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.
A young or baby guinea pig iis called a pup in English. In Dutch they are called Piglets because of the 'pig' part. Just like we call male guinea pigs boars and females sows â¦ . Answer 2: There is no official name for baby guinea-pigs.The term pup is just a colloquialism, and is not correct. Some sources claim they are called kits, but this is also not official.ust like we call male guinea pigs boars and females sows â¦ . Answer 2: There is no official name for baby guinea-pigs. The term pup is just a colloquialism, and is not correct. Some sources claim they are called kits, but this is also not official.