For example, we've been able to transplant organs such as our heart, our lungs, our liver, our kidneys, our bone marrow, the ovaries, as well as things like our blood, which we'll focus on in the next lecture. And the cornea of the eye. And actually the cornea of the eye is a relatively successful type of grafting process because the cornea represents an immunologically privileged site and that basically decreases the complications that are involved with grafting of the corona. In fact, we can successfully graft remove the corona from a cadaver and place it onto a living individual. Now, when we transfer an organ or tissue from one individual to a different individual, in this case that organ or tissue is known as an allograph bud. If we're removing a tissue from one individual and moving it onto a different location on that same individual, in this case we call that organ or tissue that is being removed and transferred an autograph.