This transcript has been automatically generated and may not be 100% accurate.

I ... the estimate but he cautioned that ... has just taken a big step for ... the team of scientists in the U S and Mexico has created that made sexual its ... which was successfully transplanted into fourteen each those ... whose only opens perhaps ... because of a disease ... scientists of grilled simple hollow holdings to four stitches a windpipe and successfully put them into patients ... now they mean something more complex the ... some NGOs are born with that knowledge I know this and in other cases can send crawl mode can also lead to vaginal damage or loss ... currently doctors reconstruct the open ... using a patient's own skin ... on top of the intestine ... both methods cause other unwanted physical problems ... engineering one in the lab ... might be a way to do away with these problems ... so how do you make one ... the team use tissue to a pizza destined to serve as a scalpel or skillet ... the two sides of the scaffold was coated with cells taken from the patient ... this was then placed in him to be an artist to various chemicals an option ... soon the sales began to grow ... said has been created the canal in the patient's pelvis and stitched them that made it will end in sight ... the procedure was done for teenage girls born without vaginas ... he could move mystery and a special function ... no more than eight years after the city streets with John ... teaches that those reports normal central function ... including desire to be teaching and into courts ...