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343 results for “reproductive system”
Data from: Conservation of the threatened species Pulsatilla vulgaris Mill. (pasqueflower) is aided by reproductive system and polyploidy
Population loss due to habitat disturbance is a major concern in biodiversity conservation. Here we investigate the genetic causes of the demographic decline observed in English populations of Pulsatilla vulgaris and the consequences for conservation. Using ten nuclear microsatellite markers, we compare genetic variation in wild populations with restored and seed-regenerated populations (674 samples). Emergence of genetic structure and loss of allelic variation in natural populations is not as evident as expected from demographic trends. Restored populations show genetic variation comparable to their source populations and, in general, to the wild ones. Genetic homogeneity is observed in regeneration trials, although some alleles not captured in source populations are detected. We infer that polyploidy, longevity and clonal reproduction have provided P. vulgaris with the standing genetic variation necessary to make the species resilient to the effects of demographic decline, suggesting that the use of multiple sources for reintroduction may be beneficial to mimic natural gene flow and the availability of multiple allele copies typical of polyploid species.
FIGURE 5 in On some mites (Acari: Prostigmata) from the Interior Highlands: descriptions of the male, immature stages, and female reproductive system of Pseudocheylus americanus (Ewing, 1909) and some new state records for Arkansas
FIGURE 5. Pseudocheylus americanus (Ewing, 1909), protonymph, dorsum.
FIGURE 6 in On some mites (Acari: Prostigmata) from the Interior Highlands: descriptions of the male, immature stages, and female reproductive system of Pseudocheylus americanus (Ewing, 1909) and some new state records for Arkansas
FIGURE 6. Pseudocheylus americanus (Ewing, 1909), larva, dorsum.
FIGURE 1 in On some mites (Acari: Prostigmata) from the Interior Highlands: descriptions of the male, immature stages, and female reproductive system of Pseudocheylus americanus (Ewing, 1909) and some new state records for Arkansas
FIGURE 1. Pseudocheylus americanus (Ewing, 1909). Stereomicrographs of specimens in ethanol.
THE REVIEW OF BRONCHIAL ASTHMA AND ITS INFLUENCE ON REPRODUCTIVE SYSTEM OF ADOLESCENT GIRLS
Open the record for dataset details and reuse information.
Animal-borne video systems provide insight into the reproductive behavior of the Asian black bear
<p>Previous studies on the mating system of the Asian black bear (<i>Ursus thibetanus</i>) have been limited to observations of captive populations and estimations of multiple paternities. Hence, the mating system of wild bears remains poorly understood. Animal-borne camera systems (i.e., cameras mounted on animals) provide novel tools to study the behavior of elusive animals. Here, we used an animal-borne video system to record the activities of wild bears during the mating season. Video camera collars were attached to four adult Asian black bears (Male 'A' and 'B', and female 'A' and 'B') captured in Tokyo, central Japan, in May and June 2018. The collars were retrieved in July 2018, after which the video data were downloaded and analyzed in terms of bear activity and mating behavior. All the bears were found to interact with other uniquely identifiable bears for some of the time (range 9–22 days) during the deployment period (range 36–45 days), and multiple mating in males were documented. Both males and females exhibited different behaviors on social days (i.e., days when the bear interacted with conspecifics) compared to solitary days (i.e., days with no observed interactions with conspecifics). Compared to solitary days, the bears spent a lower proportion of time on foraging activities, and higher proportion of time on resting activities on social days. Our results suggest that Asian black bears have a polygamous mating system, as both sexes consort and potentially mate with multiple partners during a given mating season. Furthermore, bears appeared to reduce their foraging activities on social days, and engaged more in social interactions.</p>
Supplementary material 1 from: Grant KD, Koenemann D, Mansaray J, Ahmed A, Khamar H, El Oualidi J, Burke JM (2022) A new phylogeny of Rumex (Polygonaceae) adds evolutionary context to the diversity of reproductive systems present in the genus. PhytoKeys 204: 57-72. https://doi.org/10.3897/phytokeys.204.85256
Aligned Data Matrix
Figure 7 from: Nowińska A, Mróz E, Depa Ł (2017) Sexual morphs of Pterocomma tremulae Börner, 1940 (Aphididae, Aphidinae) with description of male reproductive system. ZooKeys 686: 125-136. https://doi.org/10.3897/zookeys.686.14493
Figure 7 - Male reproductive system of P. tremulae: A longitudinal section through testicles B, C, D cross sections through testicles; ag – accessory gland, cec – cuboidal epithelial cells, tf – testicular follicles, vd – vas deferens.
Figure 6 from: Nowińska A, Mróz E, Depa Ł (2017) Sexual morphs of Pterocomma tremulae Börner, 1940 (Aphididae, Aphidinae) with description of male reproductive system. ZooKeys 686: 125-136. https://doi.org/10.3897/zookeys.686.14493
Figure 6 - Male reproductive system of P. tremulae: A, B cross sections through testes; tf – testicular follicles, tfc – testicular follicle cysts.
Figure 5 from: Nowińska A, Mróz E, Depa Ł (2017) Sexual morphs of Pterocomma tremulae Börner, 1940 (Aphididae, Aphidinae) with description of male reproductive system. ZooKeys 686: 125-136. https://doi.org/10.3897/zookeys.686.14493
Figure 5 - Morphology of the male reproductive system of P. tremulae: A young specimen B mature specimen; ag – accessory gland, tf – testicular follicles, vd – vas deferens.
Figure 4 from: Nowińska A, Mróz E, Depa Ł (2017) Sexual morphs of Pterocomma tremulae Börner, 1940 (Aphididae, Aphidinae) with description of male reproductive system. ZooKeys 686: 125-136. https://doi.org/10.3897/zookeys.686.14493
Figure 4 - Morphological features of the male: A antenna with multiple secondary rhinaria B marginal plates and stigmal pores C siphunculus D genital apparatus with parameres and membranous aedeagus.
Figure 2 from: Nowińska A, Mróz E, Depa Ł (2017) Sexual morphs of Pterocomma tremulae Börner, 1940 (Aphididae, Aphidinae) with description of male reproductive system. ZooKeys 686: 125-136. https://doi.org/10.3897/zookeys.686.14493
Figure 2 - Morphological features of the oviparous female: A antennal segment III with secondary rhinaria B hind tibia with numerous scent plaques C posterior part of the abdomen, with siphunculi, cauda and genital plate.
Figure 2. Limnocoris submontandoni testis with atrazine 125 in Ecotoxicological effects of commercial herbicides on the reproductive system of aquatic arthropod Limnocoris submontandoni (Hemiptera: Naucoridae)
Figure 2. Limnocoris submontandoni testis with atrazine 125 mg/L, (A) Hyalinization of cytoplasm, nuclear vacuoles (arrows) in spermatocyte (SPTO) and spermatid degeneration (SPTI), (B) spermatid degeneration (SPTI) altered morphology and large number of cellular remains (*) observed in the outer layers next to the sperms. Dye: Toluidine Blue.
Figures 9-16 from: Xue G-X, Men Q-L, Zhang J, Zhao Q, Sheng N, Wang H-X, Long J-F (2019) A new species of Tipulodina (Diptera, Tipulidae) from China, with description of the female internal reproductive system. ZooKeys 864: 67-77. https://doi.org/10.3897/zookeys.864.31755
Figures 9-16 Tipulodinabifurcata Xue & Men, sp. nov. 9 hypopygium, lateral view 10 hypopygium, dorsal view 11 outer gonostylus, lateral view 12 inner gonostylus, lateral view 13 inner gonostylus and bifurcate process on appendage of gonocoxite, lateral view 14 genital bridge, dorsal view 15 hypopygium, caudal view 16 hypopygium, caudal view. Abbreviations: a scl = anal sclerite; ae gd = aedeagal guide; goncx ap = appendage of gonocoxite; i gonst = inner gonostylus; o gonst = outer gonostylus. Scale bars: 0.5 mm.
Figures 1-8 from: Xue G-X, Men Q-L, Zhang J, Zhao Q, Sheng N, Wang H-X, Long J-F (2019) A new species of Tipulodina (Diptera, Tipulidae) from China, with description of the female internal reproductive system. ZooKeys 864: 67-77. https://doi.org/10.3897/zookeys.864.31755
Figures 1-8 Tipulodinabifurcata Xue & Men, sp. nov. 1 head, dorsal view 2 thorax, dorsal view 3 thorax, lateral view 4 wing 5 hypopygium, lateral view 6 fore leg 7 middle leg 8 hind leg. Scale bars: 0.5 mm (1–5); 1.0 mm (6–8).
Figure 29 from: Xue G-X, Men Q-L, Zhang J, Zhao Q, Sheng N, Wang H-X, Long J-F (2019) A new species of Tipulodina (Diptera, Tipulidae) from China, with description of the female internal reproductive system. ZooKeys 864: 67-77. https://doi.org/10.3897/zookeys.864.31755
Figure 29 Geographic distribution of Tipulodina species in China. Key to symbols: T.taiwanica (circle), T.hopeiensis (black star), T.jigongshana (square), T.cantonensis (up-pointing triangle), T.xyris (white star), T.bifurcata (down-pointing triangle).
Figures 17-24 from: Xue G-X, Men Q-L, Zhang J, Zhao Q, Sheng N, Wang H-X, Long J-F (2019) A new species of Tipulodina (Diptera, Tipulidae) from China, with description of the female internal reproductive system. ZooKeys 864: 67-77. https://doi.org/10.3897/zookeys.864.31755
Figures 17-24 17–23Tipulodinabifurcata Xue & Men, sp. nov. 17 aedeagal guide, lateral view 18 aedeagal guide, dorsal view 19 compressor apodeme, dorsal view 20 semen pump, lateral view 21 semen pump, dorsal view 22 ovipositor, lateral view 23 sternite nine, dorsal view 24Tipulodinaxyris, hypopygium, lateral view. Abbreviations: ae gd = aedeagal guide; AIA = anterior immovable apodeme; CA = compressor apodeme; cerc = cercus; goncx ap = appendage of gonocoxite; hyp vlv = hypogynial valve; PIA = posterior immovable apodeme; S9 = sternite 9. Scale bars: 0.5 mm.
Figures 25-28 from: Xue G-X, Men Q-L, Zhang J, Zhao Q, Sheng N, Wang H-X, Long J-F (2019) A new species of Tipulodina (Diptera, Tipulidae) from China, with description of the female internal reproductive system. ZooKeys 864: 67-77. https://doi.org/10.3897/zookeys.864.31755
Figures 25-28 25–27Tipulodinabifurcata Xue & Men, sp. nov. 25 cerci and sternite ten, ventral view 26 ovipositor, dorsal view 27 female internal reproductive system 28Tipulodinaxyris, female internal reproductive system . Abbreviations: AG = accessory gland; BC = bursa copulatrix; cerc = cercus; SP = spermatheca; SPD = spermathecal duct; S10 = sternite 10. Scale bars: 0.5 mm.
Figure 2 in Anatomical and histochemical descriptions of the male reproductive system of Diachasmimorpha longicaudata (Ashmed) (Hymenoptera: Braconidae)
Figure 2 The general view of the reproductive system of Diachasmimorpha longicaudata. A. The two testicles, are surrounded by a single capsule of connective tissue; B. Each testicle, seminal vesicle and deferent duct are encapsulated separately. Testicle (t), accessory glands (g), ejaculatory duct (ed).
Figure 4 in Anatomical and histochemical descriptions of the male reproductive system of Diachasmimorpha longicaudata (Ashmed) (Hymenoptera: Braconidae)
Figure 4 Histology of the seminal vesicle and the deferent duct of Diachasmimorpha longicaudata. A. Longitudinal section of the seminal tubular vesicle filled with free spermatozoa (sz), B. Cross section of the seminal vesicle, showing cubic epithelial cells (arrow). C. Deferent duct containing free spermatozoa (sz) and pavement epithelial cells (arrow).
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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.