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589 results for “Polyp”
Figure 5 in A New Stenothoid (Crustacea: Amphipoda: Stenothoidae) from a Shallow Water Hydroid Polyp in British Columbia, Canada
Figure 5. Metopa insolita sp. nov., male holotype, ZMBN 104469: (A) pereopod 5; (B) pereopod 6; (C) pereopod 7; (D) epimeral plates 2–3; (E) telson. Scale 0.1 mm.
Figure 3 in A New Stenothoid (Crustacea: Amphipoda: Stenothoidae) from a Shallow Water Hydroid Polyp in British Columbia, Canada
Figure 3. Metopa insolita sp. nov., male holotype, ZMBN 104469: (A) gnathopod 1; (B) gnathopod 2. Scale 0.1 mm.
Figure 4 in A New Stenothoid (Crustacea: Amphipoda: Stenothoidae) from a Shallow Water Hydroid Polyp in British Columbia, Canada
Figure 4. Metopa insolita sp. nov., male holotype, ZMBN 104469: (A) pereopod 3; (B) pereopod 4. Scale 0.1 mm.
Figure 1 in A New Stenothoid (Crustacea: Amphipoda: Stenothoidae) from a Shallow Water Hydroid Polyp in British Columbia, Canada
Figure 1. (A) Metopa insolita sp. nov. sitting on polyp of Zyzzyzus rubusidaeus Brinckmann-Voss & Calder, 2013 (Photo: Neil McDaniel); (B) habitus photo of paratype of Metopa insolita sp. nov. (Photo: A. H. S. Tandberg).
Figure 2 in A New Stenothoid (Crustacea: Amphipoda: Stenothoidae) from a Shallow Water Hydroid Polyp in British Columbia, Canada
Figure 2. Metopa insolita sp. nov., male holotype, ZMBN 104469: (A) habitus; (B) head with antennae; (C) maxilla 1; (D) mandible; (E) maxilla 2. Scale: A = 1 mm; B–E = 0.1 mm.
Fig. 2. Polyps. A in Dead man's fingers point to new taxa: two new genera of New Zealand soft corals (Anthozoa, Octocorallia) and a revision of Alcyonium aurantiacum Quoy & Gaimard, 1833
Fig. 2. Polyps. A. Kotatea amicispongia gen. et sp. nov., holotype (NIWA 156312). B. K. aurantiaca gen. et comb. nov. (NIWA 75330). C. K. kapotaiora gen. et sp. nov., holotype (NIWA 3974). D. K. kurakootingotingo gen. et sp. nov., holotype (NIWA 101538). E. K. kurakootingotingo gen. et sp. nov., paratype, small polyp with coloured collaret and points (MAGNT C015221). F. K. lobata gen. et sp. nov., holotype (NIWA 101313). G. K. niwa gen. et sp. nov., holotype (MAGNT C015226). H. K. raekura gen. et sp. nov., holotype (NIWA 101537). I. Ushanaia ferruginea gen. et sp. nov., holotype (NIWA 156313). J. U. fervens gen. et sp. nov., holotype (NIWA 156311). K. U. solida gen. et sp. nov., holotype (NIWA 102133). L. K. aurantiaca gen. et comb. nov., in situ (uncollected specimen), Poor Knights Islands, photo by Ian Skipworth (ianskipworth.com). M. U. fervens gen. et sp. nov., in situ (uncollected specimen), Fiordland, photo by Shane Geange. Scale bars = ~1 mm.
FIGURE 3 Kudacoryne diaphana. Polyps from A, B in Integrative systematics illuminates the relationships in two sponge-associated hydrozoan families (Capitata: Sphaerocorynidae and Zancleopsidae)
FIGURE 3 Kudacoryne diaphana. Polyps from A, B) Red Sea and C, D) Maldives. E) Hypostome. F) Capitulum. G) Polyps with medusa buds a few hours before release. H) Newly released medusa. I) Large stenoteles (ls), small stenoteles (ss), and desmonemes (d) from the polyp stage. J) Macrobasic mastigophore from the polyp stage. K) Small stenoteles (ss) and microbasic mastigophores (mi) from the newly released medusa. Scale bars: A-D, G) 0.2 mm; E, H) 50 µm; F) 20 µm; I-K) 5 µm.
FIGURE 2 Sphaerocoryne bedoti. Polyps from A, B in Integrative systematics illuminates the relationships in two sponge-associated hydrozoan families (Capitata: Sphaerocorynidae and Zancleopsidae)
FIGURE 2 Sphaerocoryne bedoti. Polyps from A, B) Maldives and C) Sint Eustatius. D) Tentacles organisation. E) Close-up of a hydranth showing the typical colouration. F) Hypostome, with a nematocyst band (arrowhead). G) Living polyp detached from the host and trying to ingest a portion of the host sponge. H) Capitulum with a central inclusion. I) Polyp with medusa buds organised in clusters. J) Close-up of a polyps with medusa buds clusters arising from the red band area. K) Polyp with medusa buds showing reproductive exhaustion. L) Newly released medusa. M) Desmonemes (d) and small stenoteles (ss) from the polyp. N) Large stenoteles (ls) and small stenoteles (ss) from the polyp. O) Heteroneme from the polyp. Scale bars: A, B) 0.5 mm; C-G, I-K) 0.2 mm; H, L) 25 Μm; M-O) 5 Μm.
FIGURE 8 Zancleopsis cabela. Polyps from A in Integrative systematics illuminates the relationships in two sponge-associated hydrozoan families (Capitata: Sphaerocorynidae and Zancleopsidae)
FIGURE 8 Zancleopsis cabela. Polyps from A) Saudi Arabia and B, C) Maldives. D) Tentacle with terminal and sub-terminal capitula. E) Maldivian polyp with medusa buds. F) Large stenoteles (ls), medium-sized stenoteles (ms), small stenoteles (ss), and desmonemes (d). G) small stenoteles (ss) and microbasic euryteles (e). H, I) Female and male medusae, respectively. Details of J) manubrium with female gonads and K) tentacles. Scale bars: A-C, E) 0.2 mm; D) 50 Μm; F, G) 5 Μm; H-K) ~ 1 mm.
Dupilumab in Japanese Patients With Chronic Rhinosinusitis With Nasal Polyp (SINUS-M52)
ClinicalTrials.gov study NCT05049122. IPD Sharing: YES. Countries: 1. Publications: 1.
Detection of Colonic Polyps Via a Large Scale Artificial Intelligence (AI) System
ClinicalTrials.gov study NCT04693078. IPD Sharing: NO. Countries: 1. Publications: 1.
Data from: Non-clonal coloniality: genetically chimeric colonies through fusion of sexually produced polyps in the hydrozoan Ectopleura larynx
Hydrozoans typically develop colonies through asexual budding of polyps. Although colonies of Ectopleura are similar to other hydrozoans in that they consist of multiple polyps physically connected through continuous epithelia and shared gastrovascular cavity, Ectopleura larynx does not asexually bud polyps indeterminately. Instead, after an initial phase of limited budding in a young colony, E. larynx achieves its large colony size through the aggregation and fusion of sexually (non-clonally) produced polyps. The apparent chimerism within a physiologically integrated colony presents a potential source of conflict between distinct genetic lineages, which may vary in their ability to access the germline. In order to determine the extent to which the potential for genetic conflict exists, we characterized the types of genetic relationships between polyps within colonies, using a RAD-Seq approach. Our results indicate that E. larynx colonies are indeed comprised of polyps that are clones and sexually reproduced siblings and offspring, consistent with their life history. In addition, we found that colonies also contain polyps that are genetically unrelated, and that estimates of genome-wide relatedness suggests a potential for conflict within a colony. Taken together, our data suggests that there are distinct categories of relationships in colonies of E. larynx, likely achieved though a range of processes including budding, regeneration and fusion of progeny and unrelated polyps, with the possibility for a genetic conflict resolution mechanism. Together these processes contribute to the re-evolution of the ecologically important trait of coloniality in E. larynx.
Combined responses of primary coral polyps and their algal endosymbionts to decreasing seawater pH
<p><span>With coral reefs declining globally, resilience of these ecosystems hinges on successful coral recruitment. However, knowledge of the acclimatory and/or adaptive potential in response to environmental challenges such as ocean acidification (OA) in earliest life stages is limited. </span>Our combination of physiological measurements, microscopy, computed tomography techniques and gene expression analysis allowed us to thoroughly elucidate the mechanisms underlying the response of early life stages of corals, together with their algal partners, to the projected decline in oceanic pH. <span>We observed extensive physiological, morphological and transcriptional changes in surviving recruits, and the transition to a </span>less-skeleton/more-tissue phenotype<span>. We found that decreased pH conditions stimulate photosynthesis and endosymbiont growth, and gene expression potentially linked to photosynthates translocation. </span>Our unique holistic study discloses the previously unseen intricate net of interacting mechanisms that regulate the performance of these organisms in response to OA.</p>
Colorectal Polyp Clinical Decision Support Device Study
ClinicalTrials.gov study NCT04437615. IPD Sharing: YES. Countries: 1. Publications: 1.
S0000D: Effect of Vitamin E and/or Selenium on Colorectal Polyps in Men Enrolled on SELECT Trial SWOG-S0000
ClinicalTrials.gov study NCT00706121. IPD Sharing: YES. Countries: 1. Publications: 1.
Erlotinib Hydrochloride in Reducing Duodenal Polyp Burden in Patients With Familial Adenomatous Polyposis at Risk of Developing Colon Cancer
ClinicalTrials.gov study NCT02961374. IPD Sharing: Not stated. Countries: 2. Publications: 2.
Water Immersion and Polyp Detection: A Randomized Controlled Trial
ClinicalTrials.gov study NCT03231917. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Controlled Clinical Study of Dupilumab in Patients With Nasal Polyps
ClinicalTrials.gov study NCT02898454. IPD Sharing: NO. Countries: 14. Publications: 27.
Corticosteroid Therapy for Chronic Rhinosinusitis Without Nasal Polyps (CRSsNP)
ClinicalTrials.gov study NCT01676415. IPD Sharing: Not stated. Countries: 1. Publications: 6.
Polyp Detection With the EndoRings™: A Randomized Tandem Colonoscopy Study
ClinicalTrials.gov study NCT01955122. IPD Sharing: NO. Countries: 3. Publications: 1.
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DANDI Archive for NWB datasets
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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.