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403 results for “morphological characteristics”
Figure 2 in Morphological and Molecular Characteristics of Kudoa viseuensis n. sp. (Myxosporea: Multivalvulida), Found in the Muscle of Batrachoides surinamensis (Teleostei: Batrachoididae) in the Brazilian Amazon Region
Figure 2. Light photomicrograph: (A) longitudinal histology section of the skeletal musculature of B. surinamensis containing a pseudocyst (*), along the axis of the muscle, showing the substitution of the fiber by the parasite; (B) transversal section showing the pseudocyst of the mixosporean occupying the central portion of the muscle fiber (arrowhead), typical of an individual infection; (C) Multiple infection of pseudocysts within a single muscle fiber, separated from one another and the muscle tissue by a fine conjunctive membrane (arrows). Scale bars: 40 µm.
Figure 1 in Morphological and Molecular Characteristics of Kudoa viseuensis n. sp. (Myxosporea: Multivalvulida), Found in the Muscle of Batrachoides surinamensis (Teleostei: Batrachoididae) in the Brazilian Amazon Region
Figure 1. Light photomicrograph: (A) Whitish pseudocyst (arrowhead) found in the musculature of B. surinamensis. Scale bar: 1000 µm; (B) pseudocyst (c) and numerous mature spores (e) observed following the rupture of the pseudocyst. Scale bar: 100 µm; (C) Fresh, pseu- do-square spores (e) of Kudoa viseuensis n. sp. Scale bar: 20 µm; Inset: polar capsules (PC) in lateral (L) and apical (A) views (DIC). Scale bar: 10 µm.
FishPass Sortable Attribute Database: Phenological, morphological, physiological, and behavioural characteristics related to passage and movement of Great Lakes fishes
<p>In-stream barriers pose threats to fishes, including habitat loss, constraints on migration, and reduced connectivity between populations. Despite many negative consequences, barriers can serve to protect native species by limiting the spread of invasive species. For example, in the Laurentian Great Lakes, physical barriers have long been used to control invasive Sea Lamprey (<em>Petromyzon marinus</em>) populations by limiting access to potential upstream spawning and rearing habitat. Selective fish passage systems could solve this connectivity conundrum but must efficiently pass multiple native or desirable species while blocking invasive species. Designing such fish passage systems requires an understanding of the phenology, morphology, physiology, and behaviour (attribute dimensions) of fishes in the community. Here, we describe the first comprehensive collection of sortable attributes associated with fish passage. The integrated database consists of 21 biological attributes that influence the movement and passage of 220 species in the Great Lakes. Data coverage varies with species, taxonomic orders, and attribute dimensions. Behavioural attributes were typically underrepresented in the literature and the ecology of potential invaders was not well understood. The synthesis described herein is a critical step towards a holistic approach to fish passage design and may help to inform management actions related to population connectivity.</p>
Fig. 4 in Morphological And Biological Characteristics Of Amidostomum Anseris (Nematoda, Amidostomatidae) From Anser Anser Domesticus
Fig. 4. ♀ Amidostomum anseris: a — tail end with the
Fig. 1 in Morphological And Biological Characteristics Of Amidostomum Anseris (Nematoda, Amidostomatidae) From Anser Anser Domesticus
Fig. 1. Head end of Amidostomum anseris.
Fig. 1 in The Morphological Characteristics Of The Danube Ruffe, Gymnocephalus Baloni (Perciformes, Percidae), In The Upper Reaches Of The Dnipro River, Ukraine
Fig. 1. Photo of Gymnocephalus baloni specimen from the upper reaches of the Dnipro.
A global review of subaqueous spreading and its morphological and sedimentological characteristics: A database for highlighting the current state of the art
<p>Subaqueous spreading, a type of extensional mass transport that is characterized by a ridge and trough<br> morphology, has been documented globally but is poorly understood. Subaqueous spreading is observed on<br> gently inclined surfaces (typically <3◦) when sediment bodies experience a sudden reduction of shear strength<br> along their basal plane during clay softening or liquefaction of sands or silty sand sediment. Historically,<br> spreading has been associated with very large landslides, but many unknown aspects of these mass movements<br> have yet to be clarified. Does spreading influences the large catastrophic failure? What are the sedimentological<br> and morphological aspects that contribute in initiating this process? These are some of the research questions<br> that spurred the present work. Here, we introduce a database that incorporates information from thirty-two case<br> studies, and use this to provide key insights into the sedimentary and morphological aspects of subaqueous<br> spreading that will assist in the identification of spreading elsewhere. We find that subaqueous spreading is most<br> common along passive glacial margins, but is also observed along active margins. The occurrence of contourites<br> interlayered with glaciogenic deposits is, in most cases, associated with landslides (or landslide complexes) with<br> spreading morphology. The database shows that seismic loading is commonly suggested to be the dominant<br> trigger mechanism, although more geotechnical observations and modelling analysis would be needed to support<br> this conclusion. We compare subaqueous spreading with terrestrial spreading, in particular to earthquake-related<br> lateral spreading and clay landslides. We find that subaqueous spreading shares the same driving processes and<br> potentially also some of the trigger mechanisms that are associated with the terrestrial spreading cases. Future<br> work will be required to address the association between spreading and its occurrence on some of the largest<br> landslides on Earth, its development mechanism, and its potential hazard implications.</p>
Fig. 1 in Morphological Characteristics Of Parasitic Nema- Todes Trichuris Sylvilagi (Nematoda, Trichuridae)
Fig. 1. External view of mature life stages of Trichuris sylvilagi nematodes.
Fig. 6. Heavily infected Ephelota gigantea. Arrow shows a parasite with a stalk and a in Morphological, Developmental, and Ecological Characteristics of the Suctorian Ciliate Ephelota gigantea (Ciliophora, Phyllopharyngea, Ephelotidae) Found on Cultured Wakame Seaweed in Northeastern Japan
Fig. 6. Heavily infected Ephelota gigantea. Arrow shows a parasite with a stalk and a tentacle.
Fig. 8 in Revealing morphological characteristics of Goniodorididae genera (Mollusca: Nudibranchia)
Fig. 8 Dichotomous key of Goniodorididae genera
Fig. 1 in Morphological Characteristics Of Dicrocoelium Dendriticum (Digenea, Dicrocoeliidae), Parasitizing Three Host Species In The Central Regions Of Ukraine
Fig. 1. Anterior and tail ends of D. dendriticum (a and b); x4.
Figure 7 in Some morphological characteristics and neonatal weights of reintroduced gazelle (Gazella subgutturosa) in Turkey
Figure 7. An adult male gazelle.
Figure 6. A in Some morphological characteristics and neonatal weights of reintroduced gazelle (Gazella subgutturosa) in Turkey
Figure 6. A calf caught for weighing.
Figure 3. A in Some morphological characteristics and neonatal weights of reintroduced gazelle (Gazella subgutturosa) in Turkey
Figure 3. A female gazelle prepared for measurement.
Figure 1 in Some morphological characteristics and neonatal weights of reintroduced gazelle (Gazella subgutturosa) in Turkey
Figure 1. Kızılkuyu Wildlife Reserve Area.
Figure 5. A in Some morphological characteristics and neonatal weights of reintroduced gazelle (Gazella subgutturosa) in Turkey
Figure 5. A newborn calf hidden in the field.
Figure 2 in Some morphological characteristics and neonatal weights of reintroduced gazelle (Gazella subgutturosa) in Turkey
Figure 2. Trap system for catching the gazelles.
Figure 4. A in Some morphological characteristics and neonatal weights of reintroduced gazelle (Gazella subgutturosa) in Turkey
Figure 4. A newborn calf and its mother.
Figure 5. H in Karyological and some morphological characteristics of the Egyptian mongoose, Herpestes ichneumon (Mammalia: Carnivora), along with current distribution range in Turkey
Figure 5. H. ichneumon observed in Karataş-Adana on September 2002 (Photo: Şakir Önder Özkurt).
Figure 2 in Karyological and some morphological characteristics of the Egyptian mongoose, Herpestes ichneumon (Mammalia: Carnivora), along with current distribution range in Turkey
Figure 2. Metaphase plate of a male H. ichneumon from Hatay.
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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.