Absorption matrix
From Tardis Wiki, the free Doctor Who reference
After the Abzorbaloff dissolved, the Tenth Doctor used his sonic screwdriver to key into the absorption matrix and separate Ursula Blake, the Abzorbaloff's last victim, from his remains. Though, as the Doctor noted, it was too late for total reconstruction, Ursula was salvaged as a face embedded in a slab of concrete. (TV: Love & Monsters)
