Changes

*** It rests on the pubic bones

*** It rests on the pubic bones

*** It is entirely in the pelvis of the large species but partly enters the abdomen of the carnivores

*** It is entirely in the pelvis of the large species but partly enters the abdomen of the carnivores

*** It is largely retroperiotneal in the larger species

*** It is largely retroperitoneal in the larger species

** When full and distended the folds dissapear and the wall appears thinner

** When full and distended the folds dissapear and the wall appears thinner

*** It then becomes intraperitioneal in the larger species

*** It then becomes intraperitoneal in the larger species

* The paired '''uteric folds''' are visible even when the bladder is full.

* The paired '''uteric folds''' are visible even when the bladder is full.

** They extend from the ureteral opening to the neck of the bladder

** They extend from the ureteral opening to the neck of the bladder