It takes just a few milliseconds: A vesicle, only a few nanometers in size and filled with neurotransmitters, approaches a cell membrane, fuses with it, and releases its chemical messengers into the ...

Compared to traditional electron microscopy, it lowers both cost and technical barriers. "At the current resolution of the images—20 nanometers—synapses can already be identified. We managed to ...

Electron microscope image of neurons in the cerebellum. This slice through the cells in the cerebellum shows a dendritic branch of a Purkinje cell and its side arms (yellow) receiving several ...

The mysteries of the brain have captivated scientists for more than 100 years, most notably illustrated in the detailed drawings of neuroanatomist Santiago Ramón y Cajal. These drawings and his ...