The brain stem is a portion of the brain made of four distinct sections: the diencephalon, mesencephalon, pons, and medulla oblongata. Each of these sections has associated functions which are vital ...

Some parts of our bodies bounce back from injury in fairly short order. The outer protective layer of the eye—called the cornea—can heal from minor scratches within a single day. The brain is not one ...

Resting brain stem cells hardly differ from normal astrocytes, which support the nerve cells in the brain. How can almost identical cells perform such different functions? The key lies in the ...