10 Questions
Where do the seminal glands lie?
Between the urinary bladder and rectum
What is the length of each tubular seminal gland?
15 cm
What is the function of the seminal glands?
To produce the majority of the volume of semen
Where do the secretions of the seminal glands go?
Into the ejaculatory duct
What is the length of the ejaculatory duct?
2 cm
What happens when the ejaculatory duct reaches the prostate?
It expands
What is the function of the ductus deferens?
To transport sperm from the testes
What is the epithelial lining of the seminal glands like?
Folded
What marks the start of the ejaculatory duct?
The junction of the duct of the seminal gland with the ampulla of ductus deferens
Where does the ejaculatory duct empty?
Into the prostatic urethra
Study Notes
- The ductus deferens ends at the junction between the ampulla of ductus deferens and the duct that drains the seminal gland.
- Seminal glands are tubular glands located between the urinary bladder and rectum.
- Each tubular seminal gland is about 15 cm in length.
- Seminal glands have an epithelial lining that contains extensive folds, reflecting that they are extremely active secretory glands.
- Seminal glands produce the majority of the volume of semen.
- The secretions of the seminal glands are discharged into the ejaculatory duct.
- The junction of the duct of the seminal gland with the ampulla of ductus deferens marks the start of the ejaculatory duct.
- The ejaculatory duct is a short passageway that is 2 cm in length.
- The ejaculatory duct penetrates the muscular wall of the prostate.
- The ejaculatory duct empties into the prostatic urethra.
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