Anatomy
·Pelvis & Perineum
Male Urethra
⭐ PREMIUM
The male urethra (~18–20 cm) has four parts and several curves/narrowings critical for catheterisation.
FOUR PARTS
• Pre-prostatic (intramural, at the neck).
• Prostatic: widest/most dilatable; receives the ejaculatory ducts + prostatic ducts at the seminal colliculus (verumontanum).
• Membranous: shortest, narrowest, least dilatable; passes through the external urethral sphincter + perineal me…
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