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Brain Quote by Andrew Koob

“The leech is more developed than the flatworm, with one glial cell for every 30 neurons, and the glial cells occupying 51 percent of the nervous system space.” quote by Andrew Koob
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““The leech is more developed than the flatworm, with one glial cell for every 30 neurons, and the glial cells occupying 51 percent of the nervous system space.””

Andrew Koob

About This Quote

Source Scientific Lecture: Neurobiology of Invertebrates, 2018

Leeches have a higher glial-to-neuron ratio than flatworms, showing more complex nervous system support.

In simple terms: Leeches have more support cells per neuron.

Key Takeaway

Recognize glial importance in brain function.

Themes

biology neuroscience comparative anatomy

Mood

informative analytical

Type

educational scientific

When to use this quote

  • research presentations
  • education
  • science communication

Key Concepts

glial cells neuron support

Questions to Reflect On

  • Why do some organisms evolve more glial cells?
  • What does this tell us about nervous system efficiency?
A Different Perspective

The significance of glial proportion may vary across species.

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