The bladder neck is the lowest, funnel-shaped part of the bladder where it joins the urethra. It is firmly anchored to the pubic bones and, in men, rests on the prostate.
| Location | Lowest part of the bladder, on the prostate in males and the pelvic floor in females |
|---|---|
| Parts |
|
| Nerve Supply | Inferior hypogastric plexus |
| Blood Supply | Inferior vesical artery; Vaginal artery |
| Venous drainage | |
| Lymphatic drainage |
|
Keeps the bladder outlet closed during filling and opens during voiding.
Weak support of the bladder neck after childbirth contributes to stress urinary incontinence in women. In men, bladder neck stenosis or dysfunction can cause poor flow. Surgery for prostate enlargement often involves cutting in this area.
Leakage with coughing or exercise due to poor support of the bladder neck and urethra.
Scarring at the bladder neck, often after prostate surgery, causing poor flow.
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