A type of stem cell that resides in the brain, which can make new nerve cells (called neurons) and other cells that support nerve cells (called glia).In the adult, neural stem cells can be found in very specific and very small areas of the brain where replacement of nerve cells is seen. type of stem cell that resides in the brain, which can make new nerve cells (called neurons) and other cells that support nerve cells (called glia).
Thigh weakness has many causes, including a charley horse, sciatica and spinal stenosis. It can be a side effect of taking certain medications. Extended bed rest or having to wear a cast or other immobilizer for long periods also can lead to thigh weakness. The problem often is accompanied by other symptoms.
The most common causes of thigh pain is related to physical activity resulting in strain and sometimes injury of the muscles (commonly referred to as a pulled muscle) and tendons (tendonitis). 1  It may also lead to muscle cramps, commonly referred to as Charley horse, which is often associated with overuse and strain of the thigh muscles.