Results 11 to 20 of about 3,322,307 (330)
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
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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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Parasites & Vectors, 2020 Background Accurate identification of the species of Anopheles Meigen, 1818 requires careful examination of all life stages. However, morphological characters, especially those of the females and fourth-instar larvae, show some degree of polymorphism and
Maria Anice Mureb Sallum +3 more
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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
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
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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
PeerJ, 2023 Applying consistent terminology for morphological traits across different taxa is a highly pertinent task in the study of morphology and evolution. Different terminologies for the same traits can generate bias in phylogeny and prevent correct homology ...
Davide Dal Pos +4 more
semanticscholar +1 more source
Revista Brasileira de Entomologia, 2021 The coffee leaf miner Leucoptera coffeella (Guérin-Mèneville & Perrottet) is a key pest in coffee producing countries. During their development, the larvae feed on the palisade parenchyma of the leaves, forming mines and necrotic areas.
I. Motta +5 more
semanticscholar +1 more source
Atypical presentation of SARS-CoV-2 infection in male genitalia
Urology Case Reports, 2020 During novel coronavirus 2019 (COVID-19) pandemic, patients usually present with several reports showing symptoms of severe systemic or respiratory illness and, although rare, some genital complaints such as scrotal discomfort can be seen.
Hakan Özveri +3 more
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Two new species of leaf-rollers (Lepidoptera: Tortricidae) from the East Caucasus [PDF]
Кавказский энтомологический бюллетень, 2023 Two new species of tortricid moths, Phtheochroa tabasarana sp. n. and Celypha laminaria sp. n., are described from Dagestan (Russia). Male genitalia of these species are illustrated. Population of the first species, Phtheochroa tabasarana sp.
E.V. Tsvetkov
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