The female urethra is a fibrous
muscular tube that measures 3 to 5 cm in length covered by a transition stratified
epithelium which originales approximately from the bladder, it is distally squamous,
derived from the vulvar epithelium1.
Estrogenic receptors are observed on its wall, in larger abundance in the distal urethra2. The urethras
epithelium transforms due to estrogenic privation in menopause, causing the transformation
of the epithelium from squamous to columnar which characterizes senile urethritis3. In the vulvar
dystrophies an urethral mucous atrophy occurs current to the low hormonal level, causing a
dryness of the urethra and consequently hypervascularization, this sensitive to infections
and traumas (previous surgeries), it may cause a stenosis, generally a meatus stenosis4 associated in some
cases to urinary incontinence, which treatment consists of hormonal reposition, urethral
dilation, meatotomy and in some cases plastic surgery.
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