Anatomy study note · Pelvis

Seminal vesicle

Two lobulated, coiled glands about 5 cm long on the base of the bladder. Each joins the vas deferens of its side to form the ejaculatory duct.

Key points

• On the base of the bladder, lateral to the vas.
• Vas + seminal vesicle duct = ejaculatory duct → prostatic urethra.
• Rectum behind.
• Seminal vesicle: diverticulum of the mesonephric duct.
• Fructose-rich secretion, ~70% of semen.

The full note in the atlas also covers

Features · Blood supply · Lymph drainage · Histology · Development

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Written from

• Snell’s Clinical Anatomy by Regions, 10th ed., ch. 9, PDF pp. 1102–1105
• Inderbir Singh’s Human Embryology, ch. 16, PDF p. 303
• BRS Cell Biology & Histology, 7th ed., ch. 20, PDF p. 370

More from the pelvis

• Sigmoid colon
• Urinary bladder
• Uterine artery
• Uterine tube
• Uterus
• Vagina
• Coccygeus
• Coccyx
• Hip bone
• Internal iliac artery
• Internal iliac vein
• Levator ani

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