Anatomical Urinary bladder
Introduction:- It is a muscular bag which act as reservoir of urine and helping micturition. Positions: - 1. In infants : In abdomen 2. Upto 9 years of age: Partially abdomen and partially pelvic. 3. After 9 yrs of age: Fully pelvic organ 4. In adult: When bladder is full it is abdominal organ and may extent up to the umbilicus. 5. Shape : When empty - Tactrahadral shape When full- Oval shape Capacity : 1. Infants:22-50 ml 2. Adult: 450-500 ml First desire for micturition Note: 1. Pain full sensation start when the amount of urine reaches above 450 ml External Features:- 1. Apex:- directed forward. 2. Base/fundus:- directed backward. 3. Neck:- lowest and most fixed part of bladder. 4. Surface :- :Superior surface :Infralateral surface (2)(R&L) Border:- ...