ureteral orifice


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Related to ureteral orifice: trigone of bladder

orifice

 [or´ĭ-fis]
1. the entrance or outlet of any body cavity.
2. any opening or meatus. adj., adj orific´ial.
aortic orifice the opening of the left ventricle into the aorta; called also aortic opening.
external urethral orifice urinary meatus.
internal urethral orifice the opening from the urinary bladder into the urethra at one corner of the trigone of the bladder.
left atrioventricular orifice (mitral orifice) the opening between the left atrium and ventricle of the heart.
pulmonary orifice (orifice of pulmonary trunk) the opening between the pulmonary trunk and the right ventricle of the heart; called also opening of pulmonary trunk.
right atrioventricular orifice (tricuspid orifice) the opening between the right atrium and ventricle of the heart.
ureteral orifice the opening of a ureter into the urinary bladder at one corner of the trigone of the bladder. Called also ureteral meatus.

ureteral orifice

the opening of a ureter into the urinary bladder at one corner of the trigone of the bladder. Also called ureteral meatus.
References in periodicals archive ?
It is beyond doubt that preoperative stent placement reduces the risk of ureteral injury particularly in patients with a large median lobe, atypical cases in which the ureteral orifice is too close to the bladder neck, and patients with a history of transurethral resection or pelvic radiotherapy.
INTRODUCTION: Ectopic ureteric orifice is a rare congenital anomalous defect of urinary tract resulting from abnormal embryological development, where ureteral orifice is abnormally located and instead of draining in bladder, it drains in to urethra, vagina or in structures of mesonephric duct (ductus deference and seminal vesicles).
Depending on surgeon preference, the ureteral orifice may or may not be dilated prior to ureteroscopy.
In the bladder, at the site of the left ureteral orifice, an amorphic calcification was seen measuring 2 cm in diameter (Fig.
3) Bilateral duplicated kidneys accompanied by a single ectopic ureteral orifice are extremely rare.
After transuretral resection of the bulging area, the second ureteral orifice, which is a part of complete duplicated system on the right side, became visible (Fig.
The patient underwent cystoscopy, which revealed a "golf-hole" right ureteral orifice.
Prior to fragmenting the bladder stone, the surgeon cannulates the ipsilateral ureteral orifice with a polytetrafluoroethylene-nitinol guidewire with a hydrophilic tip, and the wire is advanced under fluoroscopic guidance to the renal pelvis.
Bladder cancer with invasion into the ureteral orifice has a 3 times higher recurrence rate of UUT after radical cystectomy than non-invasive bladder cancer.
A stiff hydrophilic guidewire could not be introduced into the right ureteral orifice.