| 11. | Only a single egg may mature within each oviduct at a time.
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| 12. | The peptide stimulates the contraction of the oviducts and spermatheca.
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| 13. | Hermaphrodites have two ovaries, oviducts, spermatheca, and a single uterus.
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| 14. | Oviduct prolapse is an often fatal condition in birds.
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| 15. | The female can store sperm from multiple males in her oviducts until ovulation.
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| 16. | Females possess a spermatheca, an ectodermal gland which opens into the oviduct.
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| 17. | Egg cases found in the oviduct are soft, pale yellow and translucent.
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| 18. | The oviduct is narrow while the spermatheca is spherical.
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| 19. | The oviduct is large and swollen, with the same diameter as atrium.
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| 20. | Six to 14 young with gills develop inside the female's oviduct.
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