During the second surgery, pig intestine from the lab was used as another biological skin substitute, creating a "closed protective environment" for skin to heal. Within a week of Leno leaving the ...

SIS comes from the middle layers of the pig's small intestine. It is a complex matrix of collagens, other proteins and growth factors, a combination that somehow tells the body how to rebuild tissue.

Choo Sung-hoon explained, "My annual salary has increased more than tenfold. (Fight money) altogether is about 1 billion won.

No notable lesions were found in sections of heart, lungs, spleen, liver, kidneys, stomach and duodenum. Figure 1: Photomicrograph of a section of large intestine from a young female guinea pig.