of two sets of lateral and central lobes. The central lobes sit near the digestive organs and the lateral lobes extend along the front and sides of the crustacean's body cavity. The tissue of the bladder is thin epithelium. See also Alpha blocker Cystitis glandularis UPK1B References Books External links – "Mammal, bladder (LM, Medium)" Bladder () – An open-access journal on bladder biology and diseases. Pelvis Organs (anatomy) Urinary system