"The fossa navicularis is where the balloon is positioned during a retrograde / ascending urethrogram (RUG/ASU)."
"The fossa navicularis is where the balloon is positioned during a retrograde / ascending urethrogram (RUG/ASU)."
"It is more evident in males, where it occurs in the penile/pendulous urethra, near the urethral meatus. There is also a fossa navicularis in women: the more flexible segment of the urethra between the rigid incisura intermuscularis and the collagenous meatus."