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484 results for “reproductive biology”
Figures 5-6 from: Reis M, Figueira WF (2020) Age, growth and reproductive biology of two endemic demersal bycatch elasmobranchs: Trygonorrhina fasciata and Dentiraja australis (Chondrichthyes: Rhinopristiformes, Rajiformes) from Eastern Australia. Zoologia 37: 1-12. https://doi.org/10.3897/zoologia.37.e49318
Figures 5-6 Length-weight relationship for males (black dots) and females (white dots) using total length for Trygonorrhina fasciata (5) and using disc width for Dentiraja australis (6).
Figure 1 from: Reis M, Figueira WF (2020) Age, growth and reproductive biology of two endemic demersal bycatch elasmobranchs: Trygonorrhina fasciata and Dentiraja australis (Chondrichthyes: Rhinopristiformes, Rajiformes) from Eastern Australia. Zoologia 37: 1-12. https://doi.org/10.3897/zoologia.37.e49318
Figure 1 Map of Australia (a), New South Wales (b) and the upper central New South Wales coast (c) with landing locations of sampled individuals of Trygonorrhina fasciata and the Dentiraja australis.
Figures 7-8 from: Reis M, Figueira WF (2020) Age, growth and reproductive biology of two endemic demersal bycatch elasmobranchs: Trygonorrhina fasciata and Dentiraja australis (Chondrichthyes: Rhinopristiformes, Rajiformes) from Eastern Australia. Zoologia 37: 1-12. https://doi.org/10.3897/zoologia.37.e49318
Figures 7-8 Relationship between vertebral radius (mm) and total length (cm) with 95% confidence of Trygonorrhina fasciata (7) and for Dentiraja australis (8).
Figures 3-4 from: Reis M, Figueira WF (2020) Age, growth and reproductive biology of two endemic demersal bycatch elasmobranchs: Trygonorrhina fasciata and Dentiraja australis (Chondrichthyes: Rhinopristiformes, Rajiformes) from Eastern Australia. Zoologia 37: 1-12. https://doi.org/10.3897/zoologia.37.e49318
Figures 3-4 Linear relationship between Total Length (Lt) and Disc Width (DW) for Trygonorrhina fasciata (3) and Dentiraja australis (4). Black dots (males) and white dots (females).
Figures 19-24 from: Reis M, Figueira WF (2020) Age, growth and reproductive biology of two endemic demersal bycatch elasmobranchs: Trygonorrhina fasciata and Dentiraja australis (Chondrichthyes: Rhinopristiformes, Rajiformes) from Eastern Australia. Zoologia 37: 1-12. https://doi.org/10.3897/zoologia.37.e49318
Figures 19-24 Hepatosomatic index (19–21) and gonadosomatic index (22–24) with standard error (±2 SE) for sampled specimens of Dentiraja australis. Results of HSI considering both sexes (19), females only (20) and males only (21) and GSI considering both sexes (22), females only (23) and males only (24).
Figures 13-18 from: Reis M, Figueira WF (2020) Age, growth and reproductive biology of two endemic demersal bycatch elasmobranchs: Trygonorrhina fasciata and Dentiraja australis (Chondrichthyes: Rhinopristiformes, Rajiformes) from Eastern Australia. Zoologia 37: 1-12. https://doi.org/10.3897/zoologia.37.e49318
Figures 13-18 Hepatosomatic index (13–15) and gonadosomatic index (16–18) with standard error (±2 SE) for sampled specimens of Trygonorrhina fasciata. Results of HSI considering both sexes (13), females only (14) and males only (15) and GSI considering both sexes (16), females only (17) and males only (18).
Data from: The reproductive biology of two poorly known relatives of the fig (Ficus) and insights into the evolution of the fig syconium.
We conducted the first detailed investigation of the floral architecture and reproductive biology of two species from the genus Dorstenia, which are poorly known relatives of Ficus (Moraceae). Our aims were to extend and refine knowledge of the understudied genus Dorstenia and to explore possible insights into the evolution of the fig syconium. We characterised four key stages of floral development using light microscopy, scanning electron microscopy and histological staining. Reproductive biology was found to be complex and species-specific. Both study species are monoecious and produce an inflorescence of minute male and female flowers. Protogyny, associated with a spatial separation of male and female flowers and asynchronous stamen development, was species-specific, as was seed set. Our results reveal novel insights into the complex reproductive biology of an under-studied genus in the family Moraceae. We propose that exploring the reproductive biology of Dorstenia and other poorly known Ficus relatives will provide insights into the evolution of the fig syconium – the unique reproductive structure of this economically and ecologically important genus.
Figure 8-11 from: Younis EM, Al-Asgah NA, Abdel-Warith A-WA, Gabr MH, Shamlol FS (2020) Analysis of reproductive biology and spawning season of the pink ear emperor Lethrinus lentjan, from marine ecosystem. Zoologia 37: 1-10. https://doi.org/10.3897/zoologia.37.e48475
Figure 8-11 Histological sections in the ovary of L. lantjan showing the maturation stages of female: (8) immature; (9) early maturation; (10) maturity; (11) spawning. (AO) atretic oocytes, (CY) coalesced secondary oocytes, (EF) empty follicles, (HY) hydrated oocytes, (LP) late perinucleolar, (PP) pre-perinucleolar, (PY) primary yolk vesicle oocytes, (SY) secondary yolk vesicle oocytes.
Figure 5-7 from: Younis EM, Al-Asgah NA, Abdel-Warith A-WA, Gabr MH, Shamlol FS (2020) Analysis of reproductive biology and spawning season of the pink ear emperor Lethrinus lentjan, from marine ecosystem. Zoologia 37: 1-10. https://doi.org/10.3897/zoologia.37.e48475
Figure 5-7 Histological sections in the testis of L. lantjan showing the maturation stages of male: (5) immature; (6) maturity; (7) spawning. (Ps) primary spermatocytes, (Ss) secondary spermatocytes, (S) sperm, (St) spermatids, (Sg) spermatogonia, (Sc& S) sperm cells and sperms outside the seminal vesicles
Figure 3 in Seaweed reproductive biology: environmental and genetic controls
Figure 3: Life cycle control as a function of genotype and environmental factors.
Fig. 3 in Reproductive biology of the flatfish Etropus crossotus (Pleuronectiformes: Paralichthyidae) in the Paranaguá Estuarine Complex, Paraná State, subtropical region of Brazil
Fig. 3. Histology cuts of Etropus crossotus ovaries, stained with HE. a - Immature ovary containing ovarian follicles in phases I (arrow) and II (P II) (scale: 40 μm); b - Immature ovary, in detail, containing an "oogonia nest" (circle) + follicles in phase II (scale: 20μm); c - Maturing ovary containing follicles in phases II and III (P III) (scale: 80μm); d - Mature ovary containing follicles in phases II, IV (P IV) and, predominantly, V (P V). The blue arrows point to the vitelline membrane and the black arrow indicates the zone of contact between the follicular cells of two follicles in phase V, separated by scarce connective tissue (scale: 80 μm); e - Partially spawned ovary (panoramic view) containing follicles in phases II, IV and V + empty follicles (asterisk) (scale: 190 μm); f - Partially spawned ovary containing ovarian follicles in phases IV and V + empty follicles (asterisk) (scale: 80 μm); g - Partially spawned ovary (in detail) containing follicles in phases IV and V + empty follicles (asterisk). The arrow points to follicular cells (scale: 80 μm); h - Spawned ovary containing cells in phase II + empty follicles (asterisk) + high degree of vascularization (scale: 80μm); i - Spawned ovary (in detail) containing follicles in phase II + empty follicles (asterisk) (scale: 80 μm).
Fig. 2 in Reproductive biology of the flatfish Etropus crossotus (Pleuronectiformes: Paralichthyidae) in the Paranaguá Estuarine Complex, Paraná State, subtropical region of Brazil
Fig. 2. Monthly distribution of the mean water temperature and photoperiod data (a), the mean accumulated precipitation and salinity (b) from October 2008 to October 2009 in the Paranaguá Estuarine Complex. Amostral N from water temperature= 91, amostral N from, amostral N from photoperiod= 395, amostral N from accumulated precipitation= 395, and salinity= 91. The error bars correspond to the standard deviation.
Fig. 4 in Reproductive biology of the flatfish Etropus crossotus (Pleuronectiformes: Paralichthyidae) in the Paranaguá Estuarine Complex, Paraná State, subtropical region of Brazil
Fig. 4. Weight-length relationship for grouped sexes of Etropus crossotus in the shallow infralittoral areas of the Paranaguá Estuarine Complex. Total amostral N = 395, female amostral N = 171, and male amostral N =224.
Fig. 3 in Distribution and reproductive biology of the Electric ray Discopyge tschudii Heckel, 1846 in San Matías Gulf, Northern Patagonia, Argentina
Fig. 3. Comparison of the length frequency distributions of the individuals collected during the bottom trawl surveys REDEs 2004- 2007. a) Males; b) Females.
Figure 3 in Reproductive biology of direct developing and threatened frog Adelophryne maranguapensis (Anura, Eleutherodactylidae) reveals a cryptic reproductive mode for anurans and the first record of parental care for the genus
Figure 3. Female Adelophryne maranguapensis showing parental care activity (clutch 13, Table 1).
Figure 1 in Reproductive biology of direct developing and threatened frog Adelophryne maranguapensis (Anura, Eleutherodactylidae) reveals a cryptic reproductive mode for anurans and the first record of parental care for the genus
Figure 1. Fieldwork areas. Riacho Beija-flor (a) and Pico da Rajada (b).
Figure 1 in Population dynamics and reproductive biology of the sandhopper Atlantorchestoidea brasiliensis (Amphipoda: Talitridae) of a sandy beach in Southwestern Atlantic Coast
Figure 1. Location of study area, Sossego Beach, Rio de Janeiro, Brazil.
Figure 7 from: Sandberger-Loua L, Müller H, Rödel M-O (2017) A review of the reproductive biology of the only known matrotrophic viviparous anuran, the West African Nimba toad, Nimbaphrynoides occidentalis. Zoosystematics and Evolution 93(1): 105-133. https://doi.org/10.3897/zse.93.10489
Figure 7 - Foetal digestive system. Exceptional for an anuran foetus is the straight and differentiated gut, with an oesophagus, the transparent and the dark intestines (stomach) and a rectum, as well as the large liver lobes. Additionally, shown are small lungs (as well small in adults), the heart, kidney and gonads. Redrawn after Angel and Lamotte (1944a).
Figure 6 from: Sandberger-Loua L, Müller H, Rödel M-O (2017) A review of the reproductive biology of the only known matrotrophic viviparous anuran, the West African Nimba toad, Nimbaphrynoides occidentalis. Zoosystematics and Evolution 93(1): 105-133. https://doi.org/10.3897/zse.93.10489
Figure 6 - "Birthing posture" in Nimba toads. A: gestating Nimba toad; the grey shading indicates the size and position of the enlarged distal parts of the oviduct (uterus), B: shows the "birthing posture", in which females build a double W with their legs and increase pressure on their uteri. Compare the position of legs on the photograph on the right (C) of a female giving birth, showing likewise the double W, of the legs. A and B are redrawn after Vilter (1956a).
Figure 2 from: Sandberger-Loua L, Müller H, Rödel M-O (2017) A review of the reproductive biology of the only known matrotrophic viviparous anuran, the West African Nimba toad, Nimbaphrynoides occidentalis. Zoosystematics and Evolution 93(1): 105-133. https://doi.org/10.3897/zse.93.10489
Figure 2 - Rainy and dry season at Nimba. The rainy season (top) is characterised by persistent fog and rain, whereas the dry season (middle) is characterised by little rain, high temperature fluctuations and dry season fires. After dry season fires the grasses sprout very fast (bottom, © Nèma Soua Loua).
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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.