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Scientists Now Know Why Neurons Consume Energy Even When at Rest

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Synaptic vesicles release neurotransmitters. Image credit:  https://www.scientificanimations.com/ Scientists at Weill Cornell Medicine have recently solved the mystery behind why the brain cells or neurons consume energy even at rest. The mystery has puzzled them for years and now the answer to this question lies in a study published in Science Advances. What Have Scientists Found? In the study, scientists have recognized tiny capsules known as synaptic vesicles as a vital source of energy utilisation in inactive neurons. Synaptic vesicles are tiny, electron-lucent vesicles that are clustered at presynaptic terminals. They store neurotransmitters (the body's chemical messengers that transmit messages between neurons) and release them by exocytosis (the process of release of substances out of the cell) in the presence of calcium. These neurotransmitters play a vital role in nerve conduction. During nerve conduction, the neurotransmitters are fired from synaptic vesicles to send a si

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