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823 results for “ultrastructure”
Fig. 9 in The ultrastructure and building of graptolite dissepiments
Fig. 9. Dendroid graptolite "Dictyonema" sp. 2. TEM micrographs of ultrastructural components of a dissepiment. Ordovician boulder No. O.62. A. Superimposed fuselli made mainly of outer lamellae merging laterally into multilayered cortical envelope. B. Laminar growth bands with fusellar fabric and intrasheet vesicles. C. Details of intrasheet vesicles.
FIGURE 4 in Age-associated hemogram and ultrastructural leukocyte morphology in Pygocentrus nattereri (Characiformes: Serrasalmidae) from the Brazilian Pantanal
FIGURE 4 | Eosinophil and basophil in Pygocentrus nattereri from Brazilian Pantanal in May Grunwald-Giemsa-Wright staining. A. eosinophil showing irregular nucleus, loose chromatin and specific cytoplasmic granules. B. basophil surrounded by erythrocytes presenting cytoplasm filled with basophilic granulations. Scale bars = 10 µm.
FIGURE 1 in Age-associated hemogram and ultrastructural leukocyte morphology in Pygocentrus nattereri (Characiformes: Serrasalmidae) from the Brazilian Pantanal
FIGURE 1 | Curve fitting between standard-length (cm) and weight (g) in Pygocentrus nattereri. Age cut off (16 cm) was applied according to Lowe-McConnell (1964).
FIGURE 3 in Age-associated hemogram and ultrastructural leukocyte morphology in Pygocentrus nattereri (Characiformes: Serrasalmidae) from the Brazilian Pantanal
FIGURE 3 | Neutrophil and PAS-positive granular leukocytes in Pygocentrus nattereri from Brazilian Pantanal in light (A and D) and transmission electronic microscopy (B, C, E, F). A–C. Neutrophil with a lumpy nucleus and cytoplasmic vacuoles showing fine azurophilic and neutrophilic granulations. B. Mitochondria (m) and an extensive network of cell synthesis organelles are also observed; nucleus (n); C, vacuoles (v) and granules with varying size and electron density are observed. D–F. PAS-positive granular leukocyte with a displaced euchromatic nucleus; cytoplasm rich in small vacuoles and azurophilic granulation. In E and F, the granules content electrolytic material is observed (g), possibly with internal electrodense areas in an elongated half-moon shape (arrows). Scale bars = A and D = 10 µm (May Grunwald-Giemsa-Wright staining), B and E = 2 µm; C and F = 500 nm.
FIGURE 2 in Age-associated hemogram and ultrastructural leukocyte morphology in Pygocentrus nattereri (Characiformes: Serrasalmidae) from the Brazilian Pantanal
FIGURE 2 | Erythrocytes, thrombocytes and lymphocyte in Pygocentrus nattereri from Brazilian Pantanal in light (A, B, C) and transmission electronic microscopy (D, E, F). A and D. Thrombocytes of elongated shape and scarce cytoplasm rich in canalicular system (arrow). B and E, monocytes of irregular shape, chamfered nucleus, abundant cytoplasm mitochondria (m), vacuoles (v), glycogen granules (g), Golgi apparatus (G), and free ribosomes (r) are also observed. C and F. Small lymphocyte with numerous projections, a large nucleus, and scarce cytoplasm with few mitochondria and organelles. ABC. May Grunwald-Giemsa-Wright stain. Scale bars = A–C = 10 µm; D–F = 2 µm.
FIGURE 8 in Dental enamel ultrastructure in Ochotona and Prolagus (Mammalia: Lagomorpha: Ochotonidae) from three late Miocene localities in Ukraine
FIGURE 8. Posterior lobe of lower m2 enamel ultrastructure; Ochotona cf. eximia from Verkhnya Krynytsya 2, cross-section.
FIGURE 7. Lower p3 in Dental enamel ultrastructure in Ochotona and Prolagus (Mammalia: Lagomorpha: Ochotonidae) from three late Miocene localities in Ukraine
FIGURE 7. Lower p3 enamel ultrastructure; Ochotona cf. eximia from Verkhnya Krynytsya 2, cross-section.
FIGURE 6 in Dental enamel ultrastructure in Ochotona and Prolagus (Mammalia: Lagomorpha: Ochotonidae) from three late Miocene localities in Ukraine
FIGURE 6. Lower incisor enamel ultrastructure; Ochotona sp. from Popovo 3, longitudinal section. 1-2, Enamel structure details from two different tooth parts.
FIGURE 2 in Dental enamel ultrastructure in Ochotona and Prolagus (Mammalia: Lagomorpha: Ochotonidae) from three late Miocene localities in Ukraine
FIGURE 2. Posterior lobe of lower m2 enamel ultrastructure; Prolagus aff. crusafonti from Popovo 3, cross- section. 1- 4, Enamel structure details from four different tooth parts.
Liquid Phase Electron Microscopy of Bacterial Ultrastructure (1 of 2)
<p>Raw and processed LM, ADF-/BF-STEM, EDX and TEM images from study of <em>D.radiodurans</em> encapsulated in graphene liquid cells.</p>
Linked collectors and determiners for: Redescription of Tapinesthis inermis (Araneae, Oonopidae), with detailed information on its ultrastructure.
Natural history specimen data linked to collectors and determiners held within, "Redescription of Tapinesthis inermis (Araneae, Oonopidae), with detailed information on its ultrastructure". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/661ec579-2551-46f4-821b-9af75650f9a8">https://bionomia.net/dataset/661ec579-2551-46f4-821b-9af75650f9a8</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/661ec579-2551-46f4-821b-9af75650f9a8">https://gbif.org/dataset/661ec579-2551-46f4-821b-9af75650f9a8</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: The Southeast Asian Pholcus halabala species group (Araneae, Pholcidae): new data from field observations and ultrastructure.
Natural history specimen data linked to collectors and determiners held within, "The Southeast Asian Pholcus halabala species group (Araneae, Pholcidae): new data from field observations and ultrastructure". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/3c438ae3-9ea0-4eda-b893-acf6d5756c90">https://bionomia.net/dataset/3c438ae3-9ea0-4eda-b893-acf6d5756c90</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/3c438ae3-9ea0-4eda-b893-acf6d5756c90">https://gbif.org/dataset/3c438ae3-9ea0-4eda-b893-acf6d5756c90</a>. Formatted as a Frictionless Data package.
Figure 4 in Ultrastructural redescription of Chordodes moraisi (Carvalho, 1942) and Chordodes straviarskii Carvalho and Feio, 1950, and re-interpretation of Chordodes gestri Camerano, 1904 and Pseudochordodes griffinii (Camerano, 1898) (Gordiida, Nematomorpha)
Figure 4. SEM of male of ''Pseudochordodes griffinii'' holotype. (A) Cuticle of midbody; (B) areolar group in the middle region of the body. Scale bars: 10 mm.
Figure 2 in Ultrastructural redescription of Chordodes moraisi (Carvalho, 1942) and Chordodes straviarskii Carvalho and Feio, 1950, and re-interpretation of Chordodes gestri Camerano, 1904 and Pseudochordodes griffinii (Camerano, 1898) (Gordiida, Nematomorpha)
Figure 2. SEM of female of Chordodes staviarskii holotype. (A) Ventral view of posterior end with cloacal opening, bristles and radiating grooves (arrow). (B, C) Midbody cuticle: (B) areoles types 1–3 and interareolar tubercle; (C) areoles of type 1–3 and clusters containing types 4 and 6. (D) Areoles type 5 and 6 in the longitudinal ventral groove; b, bristles; t, tubercle. Scale bars: 100 mm (A, D); 10 mm (B); 50 mm (C).
Figure 1 in Ultrastructural redescription of Chordodes moraisi (Carvalho, 1942) and Chordodes straviarskii Carvalho and Feio, 1950, and re-interpretation of Chordodes gestri Camerano, 1904 and Pseudochordodes griffinii (Camerano, 1898) (Gordiida, Nematomorpha)
Figure 1. SEM of female of Chordodes moraisi, holotype. (A) Ventral view of posterior end with cloacal opening; (B) midbody cuticle, areoles types 1–3; (C) tubercle in the interareolar furrow; (D, E) areoles type 4 with long filaments in the longitudinal ventral groove. Scale bars: 100 mm (A, E); 50 mm (B–D).
Figure 3 in Ultrastructural redescription of Chordodes moraisi (Carvalho, 1942) and Chordodes straviarskii Carvalho and Feio, 1950, and re-interpretation of Chordodes gestri Camerano, 1904 and Pseudochordodes griffinii (Camerano, 1898) (Gordiida, Nematomorpha)
Figure 3. SEM of male of ''Chordodes gestri'' holotype. (A, B) Ventral view of posterior end: (A) whole posterior end with cloacal opening (arrow); (B) cloacal opening with circumcloacal bristles. (C) Cuticle at the midbody with megareolar pattern. (D) Areolar pattern in the anterior region of the body. Scale bars: 100 mm (A); 50 mm (B); 10 mm (C, D).
Figure 4 in Revision of the genus Chordodes (Gordiida, Nematomorpha) from Africa-I. Ultrastructural redescription of Chordodes gariazzi Camerano, 1902, C. heinzei Sciacchitano, 1937, C. kolensis Sciacchitano, 1933, C. muelleri Sciacchitano, 1937, and C. ruandensis Sciacchitano, 1937
Figure 4. Chordodes muelleri, female. (A) Stereomicroscope, posterior end with terminal cloacal opening (arrow); (B) body cuticle with simple (1) and tubercle areoles (2); (C) clusters containing crowned (3) and circumcluster (4) areoles; (D) cluster of crowned areoles with long filaments (5) along the ventral midline. Scale bars: 16.6 mm (A); 10 mm (B, C).
Figure 1 in Revision of the genus Chordodes (Gordiida, Nematomorpha) from Africa-I. Ultrastructural redescription of Chordodes gariazzi Camerano, 1902, C. heinzei Sciacchitano, 1937, C. kolensis Sciacchitano, 1933, C. muelleri Sciacchitano, 1937, and C. ruandensis Sciacchitano, 1937
Figure 1. Chordodes gariazzi, SEM. (A) Ventral view of male posterior end with cloacal opening (c), arrow indicates position of the bristlefields; (B) general view of the midbody cuticle with simple (1), bulging (2), tubercle (3), crowned (4), and circumcluster areoles (5); (C) cuticle of the lateral side of the body with simple, bulging, and tubercle areoles (numbering as in B); (D) tubercle areole and areolar cluster of crowned and circumcluster areoles. Scale bars: 100 mm (A); 25 mm (B, C); 10 mm (D).
Figure 2 in Revision of the genus Chordodes (Gordiida, Nematomorpha) from Africa-I. Ultrastructural redescription of Chordodes gariazzi Camerano, 1902, C. heinzei Sciacchitano, 1937, C. kolensis Sciacchitano, 1933, C. muelleri Sciacchitano, 1937, and C. ruandensis Sciacchitano, 1937
Figure 2. Chordodes heinzei, male. (A) Stereomicroscope, posterior end with subterminal cloacal opening (arrow). (B–F) SEM: (B) general view of the midbody cuticle; (C) simple and bulging areoles; (D) lateral view of the midbody cuticle; (E) lateral view of cluster with crowned and circumcluster areoles; (F) cluster as in (E) from top. Numbering: simple (1), tubercle (2), bulging (3), crowned (4), and circumcluster (5) areoles. Scale bars: 16.6 mm (A); 100 mm (B); 25 mm (C, F); 12.5 mm (D); 10 mm (E).
Figure 5 in Revision of the genus Chordodes (Gordiida, Nematomorpha) from Africa-I. Ultrastructural redescription of Chordodes gariazzi Camerano, 1902, C. heinzei Sciacchitano, 1937, C. kolensis Sciacchitano, 1933, C. muelleri Sciacchitano, 1937, and C. ruandensis Sciacchitano, 1937
Figure 5. Chordodes ruandensis, female. (A) Stereomicroscope, posterior end with terminal cloacal opening (arrow); (B, C) SEM: (B) cuticle of the lateral side of the body with simple areoles; (C) cuticle with crowned (2) and circumcluster (3) areoles. Scale bars: 16.6 mm (A); 10 mm (B, C).
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.