cholecystatony

cho·le·cys·tat·o·ny

(kō'lē-sis-tat'ō-nē),
Atonia, weakness, or failure of function of the gallbladder.
[chole- + G. kystis, bladder, + atonia, atony]

cholecystatony

Atony of the gallbladder (which is preferred in the working medical parlance).