Left Seminal Vesicle (Vesicula seminalis sinister)
Educational content only — not medical advice.
Anatomy
The left seminal vesicle is a lobulated, tortuous glandular sac situated between the posterior surface of the urinary bladder and the rectum. Its secretory epithelium produces a thick, alkaline fluid rich in fructose, prostaglandins, and clotting proteins that comprises 60–70% of the total ejaculate volume and provides nutritional energy for sperm motility.
Clinical notes
Seminal vesiculitis is a recognized etiology of painful ejaculation and hematospermia (blood in the semen); its excretory duct joins the vas deferens to form the ejaculatory duct within the prostate.
Related structures
Educational references
FAQ
What is the role of the Left Seminal Vesicle?
The left seminal vesicle is a lobulated, tortuous glandular sac situated between the posterior surface of the urinary bladder and the rectum. Its secretory epithelium produces a thick, alkaline fluid rich in fructose, prostaglandins, and clotting proteins that comprises 60–70% of the total ejaculate volume and provides nutritional energy for sperm motility.
Why is the Left Seminal Vesicle clinically important?
Seminal vesiculitis is a recognized etiology of painful ejaculation and hematospermia (blood in the semen); its excretory duct joins the vas deferens to form the ejaculatory duct within the prostate.
Source & license
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