This regeneration is brought about chiefly by hypertrophy of the lobules.
Floating liver is a rare malady in which the liver forms an abdominal prominence that may be moved about, and which changes its situation as the patient shifts the attitude.

The condition usually arises from a lax abdominal wall following repeated pregnancies.

The accompanying illustration exhibits a typical case verified by postmortem examination.
Hypertrophy of the Liver .-- The average weight of the normal liver is from 50 to 55 ounces, but as noted by Powell, it may become so hypertrophic as to weigh as much as 40 pounds.

Bonet describes a liver weighing 18 pounds; and in his "Medical and Surgical Observations," Gooch speaks of a liver weighing 28 pounds.

Vieussens, the celebrated anatomist, reports an instance in which the liver weighed 20 pounds, and in his "Aphorisms," Vetter cites a similar instance.