Genital papilla
The genital papilla is an anatomical feature of the external genitalia of some animals.
In mammals[edit]
In mammals, the genital papilla is a part of the vulva not present in humans, which appears as a small, fleshy flab of tissue. The papilla covers the opening of the vagina.[1]
In fish[edit]
In fish, the genital papilla is a small, fleshy tube behind the anus present in some fishes, from which the sperm or eggs are released;[2] the sex of a fish often can be determined by the shape of its papilla.
References[edit]
- ^ Laboratory Manual for General Biology 5th Edition
- ^ Barrie G M Jamieson (12 September 2019). Reproductive Biology and Phylogeny of Fishes, Vol 8B: Part B: Sperm Competition Hormones. CRC Press. ISBN 978-1-4398-4358-1.
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