PUV (posterior urethral valves) is a malformtion in fetal development that results in the presence of obstructive tissue within the urethra (the thube tht leads from the bladder to the outside). If urine flow from the bladder is obstructed, urine will back up within the urinary system leading to incontinence, infection, and progressive renal damage.
For a woman : Clitoris, urethral opening, vaginal orifice, anus
Herniated disk
Worn piston rings, Burned valves, Sticky valves,
Could be that your valves are out of adjustment or if you have the nonadjustable valves then it could be a build up of carbon on the valves.
Oxytocin causes the uterus to contract. Oxytocin is released by the posterior pituitary gland.
The area of the posterior bladder wall that is free of rugae is called the trigone. The trigone is a smooth triangular region in the bladder formed by the two ureteral orifices and the internal urethral orifice. It is a common site for bladder cancer to develop due to its smooth nature.
pressure gradients.
The muscle called the urethral sphincter muscle is what constricts in the urethra. The urethral orifice is what is actually constricted by the urethral sphincter.
Posterior herniation is when a disc in the spine becomes damaged and bulges outward from the spinal column toward the back. Common causes are work related injury and age.
The closure of mitral and tricuspid valves causes the first heart sound. The second heart sound is produced by the closure of semilunar valves (pulmonic and aortic valves).
Bad valves !
cpt code for urethral diverticulectomy