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343 results for “reproductive system”
Figure 17. Dermatobranchus gonatophorus Hasselt, 1824. Reproductive system, CASIZ 105299 in Previously undocumented diversity and abundance of cryptic species: a phylogenetic analysis of Indo-Pacific Arminidae Rafinesque, 1814 (Mollusca: Nudibranchia) with descriptions of 20 new species of Dermatobranchus
Figure 17. Dermatobranchus gonatophorus Hasselt, 1824. Reproductive system, CASIZ 105299, Okinawa, Japan. a, ampulla; bc, bursa copulatrix; fg, female gland mass; pr, prostate; ps, penial sheath; v, vagina; vd, vaginal duct. Scale bar = 0.67 mm.
Figure 3. Armina magna Baba, 1955. Reproductive system, CASIZ 173357 in Previously undocumented diversity and abundance of cryptic species: a phylogenetic analysis of Indo-Pacific Arminidae Rafinesque, 1814 (Mollusca: Nudibranchia) with descriptions of 20 new species of Dermatobranchus
Figure 3. Armina magna Baba, 1955. Reproductive system, CASIZ 173357. am, ampulla; bc, bursa copulatrix; fg, female gland mass; mc, muscular collar; p, penis; pr, prostate; v, vagina; vd, vaginal duct. Scale bar = 1.17 mm.
FIGURE 24. Abs. terminalis Female reproductive system and bursa. A entire system with V8 in Studies on South-east Asian fireflies: Abscondita, a new genus with details of life history, flashing patterns and behaviour of Abs. chinensis (L.) and Abs. terminalis (Olivier) (Coleoptera: Lampyridae: Luciolinae)
FIGURE 24. Abs. terminalis Female reproductive system and bursa. A entire system with V8 intact, spermatophore digesting gland to top of figure. B detail bursa hooks. (Scale bar= 1mm). BU, bursa; SDG, spermatophore digesting gland; V, valvifer.
Detection Rate of SARS-CoV-2 in Male Genitourinary System and Its Impact on Male Reproductive Health.
ClinicalTrials.gov study NCT04388631. IPD Sharing: YES. Countries: 1. Publications: 4.
Data from: Variance in reproductive success is driven by environmental factors not mating system in Bonytail
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Data from: Population genetic structure and reproductive strategy of the introduced grass Centotheca lappacea in tropical land-use systems in Sumatra
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Data from: Variation in parent-offspring kinship in socially monogamous systems with extra-pair reproduction and inbreeding
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Data from: Sex-biased dispersal creates spatial genetic structure in a parthenogenetic ant with a dependent-lineage reproductive system
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Data from: Influence of plant reproductive systems on the evolution of hummingbird pollination
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The evolutionary dynamics of plant mating systems: how bias for studying ‘interesting’ plant reproductive systems could backfire
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The intensity of sexual selection, body size and reproductive success in a mating system with male-male combat: Is bigger better?
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Data from: Linking phenology to mating system: exploring the reproductive biology of the threatened palm species Butia eriospatha
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Data from: Reproductive system of a mixed-mating plant responds to climate perturbation by increased selfing
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Data from: Mating system, reproductive success and sexual selection in bluntnose klipfishes (Clinus cottoides)
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Data from: An assessment of the reliability of quantitative genetics estimates in study systems with high rate of extra-pair reproduction and low recruitment
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Data from: Do density-driven mating system differences explain reproductive incompatibilities between populations of a placental fish?
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Data from: Chronology of reproductive investment determines predation risk aversion in a felid-ungulate system
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Data from: The effects of diet and mating system on reproductive (and post-reproductive) lifespan in a freshwater snail
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Mating systems and predictors of relative reproductive success in a Cutthroat Trout subspecies of conservation concern
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Data from: Precopulatory but not postcopulatory male reproductive traits diverge in response to mating system manipulation in Drosophila melanogaster
Competition between males creates potential for pre- and postcopulatory sexual selection and conflict. Theory predicts that males facing risk of sperm competition should evolve traits to secure their reproductive success. If those traits are costly to females, the evolution of such traits may also increase conflict between the sexes. Conversely, under the absence of sperm competition, one expectation is for selection on male competitive traits to relax thereby also relaxing sexual conflict. Experimental evolution studies are a powerful tool to test this expectation. Studies in multiple insect species have yielded mixed and partially conflicting results. In this study, we evaluated male competitive traits and male effects on female costs of mating in Drosophila melanogaster after replicate lines evolved for more than 50 generations either under enforced monogamy or sustained polygamy, thus manipulating the extent of intrasexual competition between males. We found that in a setting where males competed directly with a rival male for access to a female and fertilization of her ova polygamous males had superior reproductive success compared to monogamous males. When comparing reproductive success solely in double mating standard sperm competition assays, however, we found no difference in male sperm defense competitiveness between the different selection regimes. Instead, we found monogamous males to be inferior in precopulatory competition, which indicates that in our system, enforced monogamy relaxed selection on traits important in precopulatory rather than postcopulatory competition. We discuss our findings in the context of findings from previous experimental evolution studies in Drosophila ssp. and other invertebrate species.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
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.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
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.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.