Billions of years of evolution have made modern cells incredibly complex. Inside cells are small compartments called organelles that perform specific functions essential for the cell’s survival and ...
The brain is shielded from many substances by the blood-brain barrier, but this shield is not impenetrable. There are immune cells in the brain called microglia that can respond to potential invaders ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback