Chelonian Reproduction - Anatomy & Physiology
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BACK TO REPRODUCTIVE SYSTEM
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BACK TO REPTILE REPRODUCTIVE ANATOMY & PHYSIOLOGY
Male
Testes
- Long, yellow and oval in shape.
- Attached to the cranioventral pole of the kidneys.
- Ductus deferens runs alongside ureters to the cloaca.
Phallus
- Ventral proctodeum is modified and thickened into a single phallus.
- Two pairs of fibrous tissue separated by a central trough.
- Cannot be inverted (unlike lizards and snakes).
- Highly vascular.
- When inserted into the female cloaca it becomes engorged.
- Semen is conveyed through the central sulcus.
- A retractor muscle returns the phallus back into the cloaca.