Inflatable core of a football, eg (7)
I believe the answer is:
bladder
(Other definitions for bladder that I've seen before include "Distensible sac" , "Chamber" , "Distensible bag" , "Bag in the lower abdomen" , "may be subject to inflation?" .)
I believe the answer is:
bladder
(Other definitions for bladder that I've seen before include "Distensible sac" , "Chamber" , "Distensible bag" , "Bag in the lower abdomen" , "may be subject to inflation?" .)