Curtin, Charles B. Department of Biology, Creighton University, Omaha, Nebraska.
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- Urinary system
- Reproductive system
- Links to Primary Literature
- Additional Readings
The combined structures composing the urinary and genital, or reproductive, organs of vertebrates. The organs constituting the urogenital system of vertebrates are necessary for reproduction and urinary excretion (Fig. 1). The terms urinogenital system and genitourinary system are equally applicable as well. During embryonic development, the urinary and reproductive systems are closely interrelated because their ducts arise in associated mesodermal regions. Common passages (for example, the single orifice for emission of urine and sperm) are associated with both these systems in various vertebrates. See also: Reproductive system; Urinary system; Vertebrata
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