A hernia occurs when an internal part of the body pushes through a weakness in the surrounding muscle or tissue wall. This article deals with abdominal hernias which occur when a weakness in the wall of the tummy (abdomen) results in some of the internal contents bulging through.
Petaluma, California. Petaluma /pÉtÉËluËmÉ/ is a small city in Sonoma County, California, in the United States. Its population was 57,941 according to the 2010 Census. The Rancho Petaluma Adobe, located in Petaluma, is a National Historic Landmark.
1 The Petaluma City Ballet was established in 1981 and is the only regional ballet company in the City of Petaluma and the Sonoma County area. 2  A musical piece called And on the Seventh Day Petals Fell in Petaluma, inspired by a garden in Petaluma, was created by Harry Partch in 1963.t one time, Petaluma was known as the Egg Capital of the World, sparking such nicknames as Chickaluma. Petaluma hosted the only known Poultry drugstore and is the place where the egg incubator was invented by Lyman Byce in 1879.