Examlex
When using the confidence interval approach to sample size determination,in some cases,precision is specified in relative rather than absolute terms.In other words,it may be specified that the estimate be within plus or minus R percentage points of the mean.
Glial Cells
Non-neuronal cells in the central and peripheral nervous system that support and protect neurons.
Blood-Brain Barrier
The blood-brain barrier is a semi-permeable barrier of endothelial cells that prevents most substances in the blood from non-selectively crossing into the brain, protecting it from pathogens and toxins.
Myelin Sheaths
Protective covering made of fat and protein that surrounds nerve fibers, facilitating the rapid transmission of nerve impulses.
Myelin Sheath
A fatty layer that covers and insulates nerve fibers to enhance the speed of electrical impulses.
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