Anatomy & Physiology › Section Y · Reproduction and development › Topic Y.1
The testicular reproductive system
The testes make two things the body cannot do without for reproduction: sperm and testosterone. Following a sperm from its birth in a coiled tubule to its exit through the urethra shows how anatomy, temperature control and hormones work together.
In this topic
- Gametes, gonads and a cooler scrotum
- Inside a testis
- Spermatogenesis: mitosis, then meiosis
- Sperm structure
- Worked example: when does an effect show up?
- The duct pathway
- Accessory glands and semen
- The penis and erection
- Hormonal control of the testis
- Worked example: anabolic steroids and the testes
- Common mistakes to avoid
- Key takeaways
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