Some animal cells contain tiny tornadoes that mix up their contents


Visualisation of fluid flow inside a fruit fly egg cell

Lucy Reading-Ikkanda

Fruit fly egg cells create miniature tornadoes in order to properly develop and function, and these tornadoes could be widespread in large cells of other species.

The cells that make up all living things contain a fluid called the cytoplasm, which moves around in a process called cytoplasmic streaming. Although this internal movement was first observed more than a century ago, the full pattern and purpose of such…

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