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Sexual conflict and the evolution of genitalia: male damselflies remove more sperm when mating with a heterospecific female. [PDF]
Sci Rep, 2017 In Calopteryx damselflies, males remove rivals’ sperm stored by the female, thereby reducing sperm competition. This behaviour may create a sexual conflict, because females could lose the sperm stored in the spermatheca, used for long-term storage ...
Cordero-Rivera A.
europepmc +2 more sources
BMC Genomics, 2022 Background All birds reproduce via internal fertilization, but only ~3% of male birds possess the external genitalia that allows for intromission. Waterfowl (e.g., duck and goose) are representatives of them, and the external genitalia development of ...
Bincheng Tang +8 more
doaj +2 more sources
Female genitalia can evolve more rapidly and divergently than male genitalia
Nature Communications, 2019 Although male genital shape is known to evolve rapidly in response to sexual selection, relatively little is known about the evolution of female genital shape.
Leigh W. Simmons, John L. Fitzpatrick
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Two new species of Stenoloba Staudinger, 1892 from China (Lepidoptera, Noctuidae, Bryophilinae) [PDF]
ZooKeysTwo new species of the moth genus Stenoloba Staudinger, 1892, S. zhaotonga sp. nov. and S. oculibasis sp. nov., are described from China. The former includes photos of both female and male genitalia, while the latter only includes photos of male ...
Jian Li +3 more
doaj +4 more sources
Aesthetic Surgery of the Male Genitalia [PDF]
Seminars in Plastic Surgery, 2011 Appearance of the male genitalia is linked with self-esteem and sexual identity. Aesthetic surgery of the male genitalia serves to correct perceived deficiencies as well as physical deformities, which may cause psychological distress. Attention to patient motivation for surgery and to surgical technique is key to achieving optimal results.
Christopher J. Salgado +2 more
openaire +4 more sources
Adolescent male genitalia dissatisfaction: a surgical perspective
Asian Journal of Andrology, 2022 Genital dissatisfaction is well known in female and adults. Less is known about male adolescents and their genital satisfaction. The aim of this study was to investigate and report the role of surgery in male adolescents to improve the evaluation of ...
Nicola Zampieri +2 more
doaj +4 more sources
Coevolution between male and female genitalia in the Drosophila melanogaster species subgroup. [PDF]
PLoS ONE, 2013 In contrast to male genitalia that typically exhibit patterns of rapid and divergent evolution among internally fertilizing animals, female genitalia have been less well studied and are generally thought to evolve slowly among closely-related species. As
Amir Yassin, Virginie Orgogozo
doaj +2 more sources
Unusual Penetrating Injury to the Male Genitalia [PDF]
International Neurourology Journal, 2013 Various self-inflicted foreign bodies have been removed from the lower urinary tract and external male genitalia. In many cases foreign bodies were inserted or applied for autoerotic reasons which are frequently associated with mental health disorders ...
S.V. Krishna Reddy
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Dermatophyte infection of the male genitalia
Indian Journal of Dermatology, 2009 Dermatophyte infection is a very common disease, but that of the male genitalia is said to be rare. Here we report four cases of dermatophyte infection of the male genitalia, of which one had lesion on the penis alone, one had lesions on the penis and ...
Das Jayanta +2 more
doaj +3 more sources
Lymphangioma circumscriptum of the male genitalia
Indian Dermatology Online Journal, 2016 Ganesh Avhad, Hemangi Jerajani
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