Sentences with phrase «trigger electrical pulses»

In healthy hearts, a few thousand cells in two key locations trigger electrical pulses that spread to the remaining cells, signaling them to contract and make the heart beat.

Not exact matches

Every pulse of light reliably triggered one or more electrical pulses in the infected neuron.

Even after complete spinal paralysis, the human spinal cord is able to trigger activity in the leg muscles using electrical pulses from an implanted stimulator.

When these cells are illuminated by a strong light, a change in the structure of melanopsin triggers a molecular cascade that eventually leads to an influx of calcium ions into those neurons and an electrical pulse.