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Even after being cut, cytoplasm in onion cells is still active, transporting proteins, sugars, and lipids along the so called cytoskeleton. [read more: [📹 My Microscopic World]

Massimo

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128,853 次观看 • 3 年前 •via X (Twitter)

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This is what the inside of an axon would look like if you could shrink yourself down and walk through it. Most of us picture nerves as simple wires. They’re not. They’re living highways, packed with scaffolding, conveyor belts, motor proteins, and mitochondria powering the entire system. What you’re seeing in this video is a cinematic rendering of the axonal cytoskeleton: • Spectrin and actin forming the lattice just under the membrane • Microtubules laid out like high-speed rails • Motor proteins (kinesin & dynein) hauling cargo • Mitochondria supplying energy right where signals travel fastest Your thoughts, movements, memories, reflexes and every electrical impulse your brain sends rides along structures like these. This is still an oversimplification. A real axon is even more crowded, more dynamic, and more alive. A hidden world, running in complete silence, billions of times a day, keeping you conscious, coordinated, and alive. Source: Ribosomestudio

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