---
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created_at: "2026-09-07T18:50:27+00:00"
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RT @rockatscientist: They use these webbed hand-like structures you see in the video called growth cones.

And the spidery fingers? Those a…

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### Original `1910898388863984030` Dr Lila Landowski @rockatscientist 2025-04-12

They use these webbed hand-like structures you see in the video called growth cones.

And the spidery fingers? Those are called filopodia, constantly reaching, touching, testing their surroundings  

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#### En respuesta a `1910898386242330973` Dr Lila Landowski @rockatscientist 2025-04-12

This represents how our nervous system develops, and what it tries to do to after a physical injury.

But how do neurons know who to connect with in a brain of 86 billion other neurons, and navigate through a body to connect the body to the brain in exactly the right way?

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