Cells & Circuits

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Some Signals Take the Slow Road to the Brain

Why pain from stubbing your toe comes in waves from sharp to dull.

Synapse Elimination: There Can Be Only One

A battle for the prize of the last connection standing.

Messengers of Fire and Ice

These dorsal root ganglion cells respond to temperature to help us quickly calculate our next move.

The Gatekeepers of Sensation

The nerve fibers sensing touch, pain, and heat bundle together before entering the spinal cord.

The Organs That Keep Neurons Running

Take a look inside the anatomy of a spiral ganglion neuron.

Pyramidal Neurons

The dendritic trees and pyramid-like cell body of this neuron make it stand out.

Purkinje Cells

Purkinje cells, some of the largest neurons in the brain, dwell in the cerebellum.

Gray Matter

Gray matter is a component of the brain named for the color it appears.

White Matter

White matter gets its name from the insulation covering nerve fibers.

Neuroscientists Grow Their Own Neurons

Researchers grew this embryoid body from mouse stem cells in about a week.

The First Years of Life

The first months and years of life mark the most rapid periods of growth and development for the human brain.

For Motor Neurons, A Long Path to Find a Mate

Getting to the right place so the brain can work properly is the ultimate challenge for any neuron, but motor neurons have it especially tough.

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