Nervous system would not exist without the human brain. Most neurons send signals via their axons, although some types are capable of dendrite-to-dendrite communication. (In fact, the types of neurons called amacrine cells have no axons, and communicate only via their dendrites.) Neural signals propagate along an axon in the form of electrochemical waves called action potentials, which produce cell-to-cell signals at points where axon terminals make synaptic contact with other cells. Synapses may be electrical or chemical. Electrical synapses make direct electrical connections between neurons, but chemical synapses are much more common, and much more diverse in function. At a chemical
Pinky and the Brain mice are foiled by trying to speak "New York cabbie" and end up going in circles, the gag credit word was "anophelosis" defined as "morbid state due to extreme frustration". Another common element in nearly each episode is the following exchange (often referred to by the acronym "AYPWIP"): Brain: Pinky, are you pondering what I'm pondering?Pinky: I think so, Brain, but... Pinky's response ends with a non-sequitur such as, "we're already naked", "isn't a cucumber that small called a gherkin?" or "if they called them sad meals, kids wouldn't buy them." Brain would then become furious, often bashing Pinky over