a combining form meaning “bladder,” used in the formation of compound words: physogastric.
Origin of physo-
combining form representing Greek phŷsa bladder, bellows
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Swelling or distention caused by air or gas:physometra.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.