What is the typical ratio of glial cells to neurons in the nervous system?
Understand the Problem
The question is asking about the typical ratio of glial cells to neurons in the nervous system, along with multiple-choice options.
Answer
Closer to 3:1 than the often cited 10:1.
The ratio of glial cells to neurons in the human brain has often been assumed to be around 10:1, but more recent studies suggest a lower ratio, closer to 3:1.
Answer for screen readers
The ratio of glial cells to neurons in the human brain has often been assumed to be around 10:1, but more recent studies suggest a lower ratio, closer to 3:1.
More Information
Although traditionally it was believed glial cells outnumber neurons by 10:1, this has now been revised with more accurate measurements. The ratio can vary depending on the specific brain region.
Tips
Remember this ratio can change depending on which region of the brain is being considered, so generalizations should be made cautiously.
Sources
- Neuroglial Cells - Neuroscience - NCBI Bookshelf - ncbi.nlm.nih.gov
- The Search for True Numbers of Neurons and Glial Cells in ... - NCBI - ncbi.nlm.nih.gov
- Myths and truths about the cellular composition of the human brain - sciencedirect.com
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