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Pelvis and perineum
Anatomy of the female reproductive organs of the pelvis
Anatomy of the female urogenital triangle
Anatomy of the gastrointestinal organs of the pelvis and perineum
Anatomy of the male reproductive organs of the pelvis
Anatomy of the male urogenital triangle
Anatomy of the pelvic cavity
Anatomy of the pelvic girdle
Anatomy of the perineum
Anatomy of the urinary organs of the pelvis
Arteries and veins of the pelvis
Nerves and lymphatics of the pelvis
Anatomy clinical correlates: Female pelvis and perineum
Anatomy clinical correlates: Male pelvis and perineum
The male reproductive system consists of a number of external and internal organs. The male reproductive organs that lie within the pelvic cavity include the ductus deferens, seminal vesicles, ejaculatory ducts, and prostate.
These organs are all important in the transportation and protection of sperm cells as they move from the testis to eventually reach the penis.
Let’s start with the ductus deferens or the vas deferens, which are paired tubes that carry mature sperm from the epididymis to the ejaculatory ducts.
The ductus deferens begins at the inferior pole of the testis as a continuation of the last part of the epididymis, called the tail of the epididymis.
Then, it ascends posterior to the testis and medial to the epididymis to enter the spermatic cord, which is a cord-like structure that connects the testes to the abdominal cavity.
Finally, the ductus deferens penetrates the anterior abdominal wall through the inguinal canal and crosses the external iliac vessels to enter the pelvic cavity.
Here, the ductus deferens runs along the lateral wall of the pelvis, external to the parietal peritoneum.
At the posterolateral angle of the urinary bladder, the ductus deferens crosses the ureter, reaching the fundus of the bladder.
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