Podcast
Questions and Answers
What is the function of the epididymis?
What is the function of the epididymis?
Where are sperm produced?
Where are sperm produced?
What is the function of the ductus deferens?
What is the function of the ductus deferens?
How do sperm gain the ability to move and fertilize?
How do sperm gain the ability to move and fertilize?
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What is the concentration of sperm in the epididymis compared to the seminiferous tubules?
What is the concentration of sperm in the epididymis compared to the seminiferous tubules?
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How long can sperm be stored in the ductus deferens?
How long can sperm be stored in the ductus deferens?
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What is the source of nourishment for sperm in the ductus deferens?
What is the source of nourishment for sperm in the ductus deferens?
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What is capacitation?
What is capacitation?
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Where is the epididymis located in relation to the testis?
Where is the epididymis located in relation to the testis?
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What is the function of the epididymal ducts?
What is the function of the epididymal ducts?
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Where does the ductus deferens eventually empty into?
Where does the ductus deferens eventually empty into?
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What is the function of the epididymis and ductus deferens?
What is the function of the epididymis and ductus deferens?
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Study Notes
- The epididymis is attached to the rear surface of each testis.
- Sperm are swept into the epididymis after production in the seminiferous tubules.
- The epididymal ducts converge to form the ductus deferens.
- The ductus deferens passes out of the scrotal sac and into the abdominal cavity, eventually emptying into the urethra.
- The epididymis and ductus deferens serve as the exit route for sperm from the testis.
- Sperm gain the ability to move and fertilize during their passage through the epididymis.
- The epididymis concentrates sperm 100-fold by absorbing most of the fluid that enters from the seminiferous tubules.
- The ductus deferens is an important site for sperm storage for up to 2 months.
- Sperm in the ductus deferens have no nutrient blood supply and are nourished only by simple sugars present in the tubular secretions.
- Capacitation is the enhancement of sperm's capacity in the male and female reproductive tracts.
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