"The adult organ has 100 billion liver cells," Baptista says. "The number we seeded is 100 million. We are quite far away from required number. But our aim is t

"The adult organ has 100 billion liver cells," Baptista says. "The number we seeded is 100 million. We are quite far away from required number. But our aim is to reconstitute only 30% of the full-size adult liver, because that is the bare minimum needed to sustain a person. So it's not a full human liver but still really cool either way. Although its deceiving when articles compare large numbers like that...would have better to say we only seeded 0.1% of a full liver, we need 30%.