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 paper pound often was called a quid. More than a pound (Â£). 1 guinea and a Â£5.0.0 note. 1 guinea = Â£1-1s-0d (Â£1/1/-) = one pound and one shilling = 21 shillings or 21/- (which is Â£1.05 in todays money). 1 guinea could be written as '1g' or '1gn'. A guinea was considered a more gentlemanly amount than Â£1.