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2,283 results for “male genitalia”
Data from: The coevolution of male and female genitalia in a mammal: a quantitative genetic insight
<p>Male genitalia are among the most phenotypically diverse morphological traits, and sexual selection is widely accepted as being responsible for their evolutionary divergence. Studies of house mice suggest that the shape of the baculum (penis bone) affects male reproductive fitness and experimentally imposed postmating sexual selection has been shown to drive divergence in baculum shape across generations. Much less is known of the morphology of female genitalia and its coevolution with male genitalia. In light of this, we used a paternal half-sibling design to explore patterns of additive genetic variation and covariation underlying baculum shape and female vaginal tract size in house mice (Mus musculus domesticus). We applied a landmark-based morphometrics approach to measure baculum size and shape in males and the length of the vaginal tract and width of the cervix in females. Our results reveal significant additive genetic variation in house mouse baculum morphology and cervix width, as well as evidence for genetic covariation between male and female genital measures. Our data thereby provide novel insight into the potential for the coevolutionary divergence of male and female genital traits in a mammal. </p>
Figs 25-27. Daspletis vulpes Loew, Hotazel male genitalia. 25. Lateral. 26. Ventral. 27 in The Genus Daspletis Loew, 1858 And The Description Of Two New Genera, Anasillomos And Remotomyia (Diptera: Asilidae: Stenopogoninae)
Figs 25-27. Daspletis vulpes Loew, Hotazel male genitalia. 25. Lateral. 26. Ventral. 27. Dorsal.
Data from: Correlated divergence of female and male genitalia in replicated lineages with ongoing ecological speciation
Divergence of genital traits among lineages has the potential to serve as a reproductive isolating barrier when copulation, insemination, or fertilization are inhibited by incompatibilities between female and male genitalia. Despite widespread evidence for genital trait diversity among closely related lineages and coevolution of female and male genitalia within lineages, few studies have investigated genital evolution during the early stages of speciation. We quantified genital variation in replicated population pairs of Poecilia mexicana with ongoing ecological speciation between sulfidic (H2S-containing) and nearby non-sulfidic habitats. These analyses revealed rapid and correlated divergence of female and male genitalia across evolutionarily independent population pairs exposed to divergent selection regimes. Both sexes exhibited convergent evolution of genital traits among populations inhabiting similar habitat types. Our results demonstrate that genital evolution can occur during the early stages of speciation-with-gene-flow, potentially as a result of variation in the intensity of sexual conflict among populations. Our results suggest genitalia may contribute to early stages of divergence, and challenge the generality of previously suggested mechanisms of genital evolution in poeciliids.
Figure 39. - Leucotrichiasarita Ross, 1944 (INHS22339). Male genitalia: A segments IX–X, lateral (base of phallus crosshatched) B segments VII–VIII and segment IX margin, lateral C segments IX–X, dorsal D segments VII–IX, ventral E phallus, lateral F phallus, dorsal.
Figure 39. - Leucotrichiasarita Ross, 1944 (INHS22339). Male genitalia: A segments IX–X, lateral (base of phallus crosshatched) B segments VII–VIII and segment IX margin, lateral C segments IX–X, dorsal D segments VII–IX, ventral E phallus, lateral F phallus, dorsal.
Figure 40. - Leucotrichiasidneyi sp. n. (UMSP000140465). Male genitalia: A segments IX–X, lateral (base of phallus crosshatched) B segments VII–VIII and segment IX margin, lateral C segments IX–X, dorsal D segments VII–IX, ventral E phallus, lateral F phallus, dorsal.
Figure 40. - Leucotrichiasidneyi sp. n. (UMSP000140465). Male genitalia: A segments IX–X, lateral (base of phallus crosshatched) B segments VII–VIII and segment IX margin, lateral C segments IX–X, dorsal D segments VII–IX, ventral E phallus, lateral F phallus, dorsal.
Figure 38. - Leucotrichiariostoumae sp. n. (UMSP000140832). Male genitalia: A segments IX–X, lateral (base of phallus crosshatched) B segments VII–VIII and segment IX margin, lateral C segments IX–X, dorsal D segments VII–IX, ventral E phallus, lateral F phallus, dorsal.
Figure 38. - Leucotrichiariostoumae sp. n. (UMSP000140832). Male genitalia: A segments IX–X, lateral (base of phallus crosshatched) B segments VII–VIII and segment IX margin, lateral C segments IX–X, dorsal D segments VII–IX, ventral E phallus, lateral F phallus, dorsal.
Figure 37. - Leucotrichiarhomba sp. n. (UMSP000201350). Male genitalia: A segments IX–X, lateral (base of phallus crosshatched) B segments VII–VIII and segment IX margin, lateral C segments IX–X, dorsal D segments VII–IX, ventral E phallus, lateral F phallus, dorsal.
Figure 37. - Leucotrichiarhomba sp. n. (UMSP000201350). Male genitalia: A segments IX–X, lateral (base of phallus crosshatched) B segments VII–VIII and segment IX margin, lateral C segments IX–X, dorsal D segments VII–IX, ventral E phallus, lateral F phallus, dorsal.
Figure 41. - Leucotrichiatapantia sp. n. (UMSP000201359). Male genitalia: A segments IX–X, lateral (base of phallus crosshatched) B segments VII–VIII and segment IX margin, lateral C segments IX–X, dorsal D segments VII–IX, ventral E phallus, lateral F phallus, dorsal.
Figure 41. - Leucotrichiatapantia sp. n. (UMSP000201359). Male genitalia: A segments IX–X, lateral (base of phallus crosshatched) B segments VII–VIII and segment IX margin, lateral C segments IX–X, dorsal D segments VII–IX, ventral E phallus, lateral F phallus, dorsal.
Figure 36. - Leucotrichiarepanda sp. n. (UMSP000201685). Male genitalia: A segments IX–X, lateral (base of phallus crosshatched) B segments VII–VIII and segment IX margin, lateral C segments IX–X, dorsal D segments VII–IX, ventral E phallus, lateral F phallus, dorsal.
Figure 36. - Leucotrichiarepanda sp. n. (UMSP000201685). Male genitalia: A segments IX–X, lateral (base of phallus crosshatched) B segments VII–VIII and segment IX margin, lateral C segments IX–X, dorsal D segments VII–IX, ventral E phallus, lateral F phallus, dorsal.
Figure 33. - Leucotrichiapectinata sp. n. (UMSP000140619). Male genitalia: A segments IX–X, lateral (base of phallus crosshatched) B segments VII–VIII and segment IX margin, lateral C segments IX–X, dorsal D segments VII–IX, ventral E phallus, lateral F phallus, dorsal.
Figure 33. - Leucotrichiapectinata sp. n. (UMSP000140619). Male genitalia: A segments IX–X, lateral (base of phallus crosshatched) B segments VII–VIII and segment IX margin, lateral C segments IX–X, dorsal D segments VII–IX, ventral E phallus, lateral F phallus, dorsal.
Figure 34. - Leucotrichiapictipes (Banks, 1911) (MCZ11597). Male genitalia: A segments IX–X, lateral (base of phallus crosshatched): B segments VII–VIII and segment IX margin, lateral C segments IX–X, dorsal D segments VII–IX, ventral E phallus, lateral F phallus, dorsal.
Figure 34. - Leucotrichiapictipes (Banks, 1911) (MCZ11597). Male genitalia: A segments IX–X, lateral (base of phallus crosshatched): B segments VII–VIII and segment IX margin, lateral C segments IX–X, dorsal D segments VII–IX, ventral E phallus, lateral F phallus, dorsal.
Figure 44. - Leucotrichiatubifex Flint, 1964 (USNM66885). Male genitalia: A segments IX–X, lateral (base of phallus crosshatched) B segments VII–VIII and segment IX margin, lateral C segments IX–X, dorsal D segments VII–IX, ventral E phallus, lateral F phallus, dorsal.
Figure 44. - Leucotrichiatubifex Flint, 1964 (USNM66885). Male genitalia: A segments IX–X, lateral (base of phallus crosshatched) B segments VII–VIII and segment IX margin, lateral C segments IX–X, dorsal D segments VII–IX, ventral E phallus, lateral F phallus, dorsal.
Figure 35. - Leucotrichiaprocera sp. n. (UMSP000047406). Male genitalia: A segments IX–X, lateral (base of phallus crosshatched) B segments VII–VIII and segment IX margin, lateral C segments IX–X, dorsal D segments VII–IX, ventral E phallus, lateral F phallus, dorsal.
Figure 35. - Leucotrichiaprocera sp. n. (UMSP000047406). Male genitalia: A segments IX–X, lateral (base of phallus crosshatched) B segments VII–VIII and segment IX margin, lateral C segments IX–X, dorsal D segments VII–IX, ventral E phallus, lateral F phallus, dorsal.
Figure 46. - Leucotrichiayungarum Angrisano & Burgos, 2002 (redrawn from Angrisano and Burgos 2002). Male genitalia: A segments IX–X, lateral B segment IX, dorsal C segment VIII, ventral D apex of segment VIII, dorsal E apex of segment IX and inferior appendage, ventral F inferior appendage and subgenital plate, dorsal G phallus, lateral.
Figure 46. - Leucotrichiayungarum Angrisano & Burgos, 2002 (redrawn from Angrisano and Burgos 2002). Male genitalia: A segments IX–X, lateral B segment IX, dorsal C segment VIII, ventral D apex of segment VIII, dorsal E apex of segment IX and inferior appendage, ventral F inferior appendage and subgenital plate, dorsal G phallus, lateral.
Figure 28. - Leucotrichialaposka Oláh & Johanson, 2011 (NHRSKAJO000000328). Male genitalia: A segments IX–X, lateral (base of phallus crosshatched) B segments VII–VIII and segment IX margin, lateral C segments IX–X, dorsal D segments VII–IX, ventral E phallus, lateral F phallus, dorsal.
Figure 28. - Leucotrichialaposka Oláh & Johanson, 2011 (NHRSKAJO000000328). Male genitalia: A segments IX–X, lateral (base of phallus crosshatched) B segments VII–VIII and segment IX margin, lateral C segments IX–X, dorsal D segments VII–IX, ventral E phallus, lateral F phallus, dorsal.
Figure 29. - Leucotrichialerma Angrisano & Burgos, 2002 (redrawn from Angrisano and Burgos 2002). Male genitalia: A segments IX–X, lateral B segment IX, ventral C segment VII–VIII, oblique D phallus, view not specified.
Figure 29. - Leucotrichialerma Angrisano & Burgos, 2002 (redrawn from Angrisano and Burgos 2002). Male genitalia: A segments IX–X, lateral B segment IX, ventral C segment VII–VIII, oblique D phallus, view not specified.
Figure 26. - Leucotrichiainterrupta Flint, 1991 (USNM104528). Male genitalia: A segments IX–X, lateral (base of phallus crosshatched) B segments VII–VIII and segment IX margin, lateral C segments IX–X, dorsal D segments VII–IX, ventral E phallus, lateral F phallus, dorsal.
Figure 26. - Leucotrichiainterrupta Flint, 1991 (USNM104528). Male genitalia: A segments IX–X, lateral (base of phallus crosshatched) B segments VII–VIII and segment IX margin, lateral C segments IX–X, dorsal D segments VII–IX, ventral E phallus, lateral F phallus, dorsal.
Figure 25. - Leucotrichiainops Flint, 1991 (USNM104530). Male genitalia: A segments IX–X, lateral (base of phallus crosshatched) B segments VII–VIII and segment IX margin, lateral C segments IX–X, dorsal D segments VII–IX, ventral E phallus, lateral F phallus, dorsal.
Figure 25. - Leucotrichiainops Flint, 1991 (USNM104530). Male genitalia: A segments IX–X, lateral (base of phallus crosshatched) B segments VII–VIII and segment IX margin, lateral C segments IX–X, dorsal D segments VII–IX, ventral E phallus, lateral F phallus, dorsal.
Figure 24. - Leucotrichiainflaticornis Botosaneanu, 1993 (redrawn from Botosaneanu and Alkins-Koo 1993). Male genitalia: A segment IX, dorsal B segments VIII–IX, ventral C subgenital plate, not to scale, view not specified D phallus, ventral.
Figure 24. - Leucotrichiainflaticornis Botosaneanu, 1993 (redrawn from Botosaneanu and Alkins-Koo 1993). Male genitalia: A segment IX, dorsal B segments VIII–IX, ventral C subgenital plate, not to scale, view not specified D phallus, ventral.
Figure 23. - Leucotrichiaimitator Flint, 1970 (USNM70898). Male genitalia: A segments IX–X, lateral (base of phallus crosshatched) B segments VII–VIII and segment IX margin, lateral C segments IX–X, dorsal D segments VII–IX, ventral E phallus, lateral F phallus, dorsal.
Figure 23. - Leucotrichiaimitator Flint, 1970 (USNM70898). Male genitalia: A segments IX–X, lateral (base of phallus crosshatched) B segments VII–VIII and segment IX margin, lateral C segments IX–X, dorsal D segments VII–IX, ventral E phallus, lateral F phallus, dorsal.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
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The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
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