Urinary bladder Urinary bladder The urinary bladder is a hollow muscular organ in humans and some other animals that collects and stores urine from the kidneys before disposal by urination. In the human the bladder is a hollow muscular, and distensible (or elastic) organ, that sits on the pelvic floor. Urine enters the bladder via the ureters and exits via the urethra. The typical human bladder will hold between 300 and (10.14 and ) before the urge to empty occurs, but can hold considerably more. In humans, the bladder is a hollow muscular organ situated at the base of the pelvis. Urine
Bladder pipe word which in medieval Latin was frequently used also for the bagpipe. In the earliest illustrated forms of bladder pipe, such as the well-known example of the 13th century reproduced by Martin Gerbert from a manuscript at Sankt Blasien Abbey in the Black Forest, the bladder is unusually large, and the chanter (or melody pipe) has, instead of a bell, the carved head of an animal. At first the chanter was a straight conical tube terminating in a bell, as in the bagpipe. The later instruments have a pipe of larger calibre more or less curved and bent back as