The genital papilla is an anatomical feature of the external
genitalia
A sex organ (or reproductive organ) is any part of an animal or plant that is involved in sexual reproduction. The reproductive organs together constitute the reproductive system. In animals, the testis in the male, and the ovary in the female, a ...
of some animals.
In mammals
In mammals, the genital papilla is a part of
female external genitalia not present in humans, which appears as a small, fleshy flab of tissue. The papilla covers the opening of the
vagina
In mammals, the vagina is the elastic, muscular part of the female genital tract. In humans, it extends from the vestibule to the cervix. The outer vaginal opening is normally partly covered by a thin layer of mucosal tissue called the hymen ...
.
[Laboratory Manual for General Biology 5th Edition]
In fish
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;
the sex of a fish often can be determined by the shape of its papilla.
References
Mammal anatomy
Mammal reproductive system
Fish anatomy
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