Bone marrow is a soft and fatty substance located in the cavity of bones, where blood cells are produced. Think of it as the red and white blood cells and platelets factory. If you donate your bone marrow filled with stem cells, it will be taken out of your pelvic bone under general anesthesia.
Stem cells are undifferentiated cells that can develop into a specific type of cell later on. They are, in essence, baby cells that haven’t yet decided what they want to be when they grow up, and can become anything they set their mind to. They differ from other cells by their ability to replenish themselves and divide into many more cells. These cells have the power to heal by repairing and replacing human tissue.
The spinal cord has nothing to do with blood stem cells. Guess it’s been a while since your biology class! But don’t worry, a lot of people get confused. The spinal cord is a tubular bundle of nervous tissue stemming from the brain to the vertebral column. We promise not to touch it!