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Questions and Answers
What is the function of the epididymis?
What is the function of the epididymis?
- It produces sperm
- It stores sperm (correct)
- It transports sperm to the urethra
- It nourishes sperm with nutrients
Where are sperm produced?
Where are sperm produced?
- Epididymis
- Seminiferous tubules (correct)
- Ductus deferens
- Urethra
What is the function of the ductus deferens?
What is the function of the ductus deferens?
- To produce sperm
- To store sperm
- To transport sperm to the urethra (correct)
- To nourish sperm with nutrients
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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