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12 results for “male reproductive organs”
Figures 223–230. Reproductive organs. 223. Pelonium posticum, male. 224–225. Pelonium quadriplagiatum. 224 in Morphologic studies of the alimentary canal and internal reproductive organs of the Chaetosomatidae and the Cleridae (Coleoptera: Cleroidea) with comparative morphology and taxonomic analyses
Figures 223–230. Reproductive organs. 223. Pelonium posticum, male. 224–225. Pelonium quadriplagiatum. 224) male. 225) female. 226–227. Pelonium semirufum. 226) male. 227) female. 228–230. Pelonium viridipenne. 228) female. 229) male. 230) male.
Figures 195–200. Reproductive organs. 195. Tillus notatus, female. 196–197. Males. 196 in Morphologic studies of the alimentary canal and internal reproductive organs of the Chaetosomatidae and the Cleridae (Coleoptera: Cleroidea) with comparative morphology and taxonomic analyses
Figures 195–200. Reproductive organs. 195. Tillus notatus, female. 196–197. Males. 196) Tillus sp. a. 197) Tillus sp. b. 198–200. Tilloidea unifasciata. 198) male. 199) female. 200) bursal plate.
Figures 84–95. Omadius reproductive organs. 84–93. Males. 84 in Morphologic studies of the alimentary canal and internal reproductive organs of the Chaetosomatidae and the Cleridae (Coleoptera: Cleroidea) with comparative morphology and taxonomic analyses
Figures 84–95. Omadius reproductive organs. 84–93. Males. 84) sp.a. 85) sp. b. 86) sp. c. 87) sp. d. 88) sp. e. 89) sp. f. 90) sp. g. 91) sp. h. 92) sp. i. 93) sp. j. 94–95. Females. 94) sp. j. 95) sp. h.
Figures 60–72. Reproductive organs. 60–64. Eleale, males. 60 in Morphologic studies of the alimentary canal and internal reproductive organs of the Chaetosomatidae and the Cleridae (Coleoptera: Cleroidea) with comparative morphology and taxonomic analyses
Figures 60–72. Reproductive organs. 60–64. Eleale, males. 60) sp. a. 61) sp. b. 62) sp. c. 63) sp. d. 64) sp. e. 65–69. Eleale females. 65) sp.f. 66) sp. d. 67) sp. c. 68) sp. g. 69) sp. h. 70–72. Epiclines basalis. 70) male. 71) female. 72) male.
Figs. 100–107. Internal reproductive organs. 100, 101. Plocamocera castanea. 100 male, 101 female. 102, 103. P in Classification, Natural History, And Evolution Of The Epiphloeinae (Coleoptera: Cleridae). Part Ii. The Genera Chaetophloeus Opitz And Plocamocera Spinola
Figs. 100–107. Internal reproductive organs. 100, 101. Plocamocera castanea. 100 male, 101 female. 102, 103. P. confrater, male (102), female (103). 104. P. coactilis, male. 105, 106. P. lucis, male (105), female (106). 107. P. manausensis, male.
Figure 4. Male internal reproductive organs. A in The male genital tract and aedeagal components of the Diptera with a discussion of their phylogenetic significance
Figure 4. Male internal reproductive organs. A, Bibio flavihalter (Bibionidae) (dorsal view). B, Bibio flavihalter (Bibionidae) (dorsal view). acc gl cplx, accessory gland complex; ej dt, ejaculatory duct; tes, testis; vas df, vas deferens. Scale bars = 0.1 mm.
Figs. 1–6. Male reproductive organs. 1–3 in Spermatophores and Spermatophore Producing Internal Organs of Cleridae (Coleoptera: Clerinae): their Biological and Phylogenetic Implications
Figs. 1–6. Male reproductive organs. 1–3) Trichodes ornatus (Say); 2) spermatophore glands; 3) cross-section of inner chamber of spermatophore gland; 4) Aulicus edwardsii (Horn);
Distribution. Now restricted to the Channel Country of SW Queensland and the Lake Eyre Basin in NE South Australia. Descriptive notes. Head-body 95-120 mm, tail 105-160 mm, ear 23-29 mm, hindfoot 32-37 mm; weight 30-50 g. The Fawn Hopping Mouse has body form typical of hopping mice, with very long hindfeet, long tail with distal brush of longer hairs, very long ears, and large protruberant eyes. Dorsal fur is of variable color, from pale pinkish fawn to gray; ventral fur white. Unlike most other hopping mice, it has no throat pouch, but males have a glandular area of naked skin on the chest. Habitat. Occurs in low shrublands and tussock grasslands on stony ("gibber") plains and claypans. Shows marked habitat segregation from the Dusky Hopping Mouse (N. fuscus), which is closely associated with sandy substrates. Food and Feeding. The Fawn Hopping Mouse is mostly granivorous, but also eats other plant material (stems, leaves) and occasionally invertebrates. It uses succulent, salt-adapted plants around edges of claypans as a source of water. Breeding. Reproduction is probably largely opportunistic and aseasonal, with high reproductive output from near-continuous breeding after periods of high rainfall; reported littersize is 1-5, most commonly three; gestation period 38-43 days for nonlactating females. Females may mature later than other hopping mice, with reproductive maturity reached at about six months. Activity patterns. Terrestrial and nocturnal. Fawn Hopping Mice shelter during day in burrow systems that are typically simpler and shallower than those of other hopping mice. Movements, Home range and Social organization. Fawn Hopping Mice generally live singly or in small groups; typically uncommon within range, but population density may increase by an order of magnitude following periods of high rainfall. Status and Conservation. Classified as Near Threatened on The IUCN Red List. The Fawn Hopping Mouse has shown marked decline in range (estimated at greater than 50%), and presumably population size, since European settlement of Australia. This is mostlikely due to predation by the introduced house cat and Red Fox (Vulpes vulpes), and to habitat degradation associated with pastoralism. Bibliography. Brazenor (1934), Burbidge et al. (2008), Finlayson (1939), Gould (1853), Jackson & Groves (2015), Murray et al. (1999), Ogilby (1892), Thomas (1921h), Van Dyck & Strahan (2008), Waite (1898), Watts & Aslin (1981), Woinarski et al. (2014), Wood Jones (1925). in Muridae
Distribution. Now restricted to the Channel Country of SW Queensland and the Lake Eyre Basin in NE South Australia. Descriptive notes. Head-body 95-120 mm, tail 105-160 mm, ear 23-29 mm, hindfoot 32-37 mm; weight 30-50 g. The Fawn Hopping Mouse has body form typical of hopping mice, with very long hindfeet, long tail with distal brush of longer hairs, very long ears, and large protruberant eyes. Dorsal fur is of variable color, from pale pinkish fawn to gray; ventral fur white. Unlike most other hopping mice, it has no throat pouch, but males have a glandular area of naked skin on the chest. Habitat. Occurs in low shrublands and tussock grasslands on stony ("gibber") plains and claypans. Shows marked habitat segregation from the Dusky Hopping Mouse (N. fuscus), which is closely associated with sandy substrates. Food and Feeding. The Fawn Hopping Mouse is mostly granivorous, but also eats other plant material (stems, leaves) and occasionally invertebrates. It uses succulent, salt-adapted plants around edges of claypans as a source of water. Breeding. Reproduction is probably largely opportunistic and aseasonal, with high reproductive output from near-continuous breeding after periods of high rainfall; reported littersize is 1-5, most commonly three; gestation period 38-43 days for nonlactating females. Females may mature later than other hopping mice, with reproductive maturity reached at about six months. Activity patterns. Terrestrial and nocturnal. Fawn Hopping Mice shelter during day in burrow systems that are typically simpler and shallower than those of other hopping mice. Movements, Home range and Social organization. Fawn Hopping Mice generally live singly or in small groups; typically uncommon within range, but population density may increase by an order of magnitude following periods of high rainfall. Status and Conservation. Classified as Near Threatened on The IUCN Red List. The Fawn Hopping Mouse has shown marked decline in range (estimated at greater than 50%), and presumably population size, since European settlement of Australia. This is mostlikely due to predation by the introduced house cat and Red Fox (Vulpes vulpes), and to habitat degradation associated with pastoralism. Bibliography. Brazenor (1934), Burbidge et al. (2008), Finlayson (1939), Gould (1853), Jackson & Groves (2015), Murray et al. (1999), Ogilby (1892), Thomas (1921h), Van Dyck & Strahan (2008), Waite (1898), Watts & Aslin (1981), Woinarski et al. (2014), Wood Jones (1925).
Data from: Experimental reduction of intromittent organ length reduces male reproductive success in a bug
It is now clear in many species that male and female genital evolution has been shaped by sexual selection. However, it has historically been difficult to confirm correlations between morphology and fitness, as genital traits are complex and manipulation tends to impair function significantly. In this study, we investigate the functional morphology of the elongate male intromittent organ (or processus) of the seed bug Lygaeus simulans, in two ways. We first use micro-computed tomography (micro-CT) and flash-freezing to reconstruct in high resolution the interaction between the male intromittent organ and the female internal reproductive anatomy during mating. We successfully trace the path of the male processus inside the female reproductive tract. We then confirm that male processus length influences sperm transfer by experimental ablation and show that males with shortened processi have significantly reduced post-copulatory reproductive success. Importantly, male insemination function is not affected by this manipulation per se. We thus present rare, direct experimental evidence that an internal genital trait functions to increase reproductive success and show that, with appropriate staining, micro-CT is an excellent tool for investigating the functional morphology of insect genitalia during copulation.
Data from: Experimental reduction of intromittent organ length reduces male reproductive success in a bug
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Evolution of gene expression levels in Anopheles male reproductive organs
GEO Series GSE117656. Anopheles gambiae; Anopheles quadriannulatus; Anopheles coluzzii; Anopheles arabiensis; Anopheles merus. 30 samples. Type: Expression profiling by high throughput sequencing.
Figs. 7–15. Male reproductive organs. 7 in Spermatophores and Spermatophore Producing Internal Organs of Cleridae (Coleoptera: Clerinae): their Biological and Phylogenetic Implications
Figs. 7–15. Male reproductive organs. 7) Phlogistus imperialis (Gorham), spermatophore gland; 8) Phlogistomorpha croesus (Blackburn); 9–11) Trogodendron rufipes Elston; 10) seminal vesicle; 11) spermatophore gland; 12) Zenithicola funestus Chevrolat; 13–14) Scrobiger splendidus (Newman); 14) spermatophore gland; 15) Phlogistus imperialis (Gorham), spermatophore gland.
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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.