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1,053 results for “Computed Tomography”
FIGURE 4 in Using X-ray computed tomography analysis tools to compare the skeletal element morphology of fossil and modern frog (Anura) species
FIGURE 4. Morphological bone-to-bone comparison between the 'nominal' Xenopus laevis (CP001) with the 'actual' fossil Xenopus sp. (ZM 71336)
FIGURE 2 in Using X-ray computed tomography analysis tools to compare the skeletal element morphology of fossil and modern frog (Anura) species
FIGURE 2. Bone cortex thickness analysis on a male Xenopus laevis (CP001) (A) and a fossil Xenopus sp. (ZM 71336) (B) depicted side by side in slice view from top view (1) and side view (3) and in a 3D colour-coded analysis (2 and 3).
FIGURE 1. A in Using X-ray computed tomography analysis tools to compare the skeletal element morphology of fossil and modern frog (Anura) species
FIGURE 1. A complete Breviceps montanus (Catalogue number ZR-050053) CT scan with segmentation of humerus and femur demonstrated.
GFRP Glass fibre plain weave laminate - Micro-computed tomography scans
<p>A sample of computed tomography image of a glass fibre plain weave laminate. Detailed description can be found in the attached metadata files as well as in the associated paper: <a href="https://doi.org/10.1016/j.compositesa.2015.03.027">https://doi.org/10.1016/j.compositesa.2015.03.027 </a></p> <p>The sample was used for geometrical analysis and for creating a TexGen model with the subsequent image-based permeability modelling.</p>
Fig. 13 in The endocranium of the theropod dinosaur Ceratosaurus studied with computed tomography
Fig. 13. Ceratosaurus magnicornis (MWC 1, Fruita, Colorado, Morrison Formation, Upper Jurassic). Three−dimensional digital reconstruction of the endocraniuim and associated venous structures in dorsal (A) and right lateral (B) views. Venous structures are shown in black.
Fig. 14 in The endocranium of the theropod dinosaur Ceratosaurus studied with computed tomography
Fig. 14. Ceratosaurus magnicornis (MWC 1, Fruita, Colorado, Morrison Formation, Upper Jurassic). Summary three−dimensional digital reconstruction featuring the skull overlay in grey, endocranium in violet, inner ear in yellow, pneumatic sinuses in light blue, and venous sinuses in red, in right lateral (A) and dorsal (B) views.
Fig. 8 in The endocranium of the theropod dinosaur Ceratosaurus studied with computed tomography
Fig. 8. Struthio camelus (LSU−SVM no number, Recent). Axial T1 Gradient echo MRI of showing branches of trigeminal nerve. A. Maxillary and mandibular branch trigeminal foramen in posterior orbit. Pneumatized bone of the skull base is black. B. V1 ascending the floor of the endocranium. C. Optic nerves (II) just distal to the optic chiasm and V1 in the posterior orbital wall. D. V1 at the orbital apex on left and entering the orbit on the right. All sections are in the same scale.
Fig. 10 in The endocranium of the theropod dinosaur Ceratosaurus studied with computed tomography
Fig. 10. Ceratosaurus magnicornis (MWC 1, Fruita, Colorado, Morrison Formation, Upper Jurassic). A–D. Computed tomograms of the olfactory zone. E. Right lateral view of the whole braincase with vertical white lines indicating positions of sections A–D.
Fig. 6 in The endocranium of the theropod dinosaur Ceratosaurus studied with computed tomography
Fig. 6. Ceratosaurus magnicornis (MWC 1, Fruita, Colorado, Morrison Formation, Upper Jurassic). A–C. Computed tomograms of the trigeminal zone. D. Right lateral view of the whole braincase with semitransparent slab indicating location of the sections. Images A through C progress from caudal to rostral. The posterior margin of the common trigeminal foramen would have held the maxillary and mandibular branches of the trigeminal nerve (V2/3) while the ophthalmic branch (V1) would have traveled rostrally.
Fig. 4 in The endocranium of the theropod dinosaur Ceratosaurus studied with computed tomography
Fig. 4. Ceratosaurus magnicornis (MWC 1, Fruita, Colorado, Morrison Formation, Upper Jurassic). A–E. Computed tomograms of the otic zone. F. Right lateral view of the whole braincase with semitransparent slab indicating location of the sections.
Fig. 2 in The endocranium of the theropod dinosaur Ceratosaurus studied with computed tomography
Fig. 2. Ceratosaurus magnicornis (MWC 1, Fruita, Colorado, Morrison Formation, Upper Jurassic). A–D. Computed tomograms of the occipital zone. E. Right lateral view of the whole braincase with vertical white lines indicating positions of sections A–D.
Fig. 12 in The endocranium of the theropod dinosaur Ceratosaurus studied with computed tomography
Fig. 12. Struthio camelus (LSU−SVM no number, Recent). Coronal oblique CT image of the head, showing the relationship of the caudal nasal septal ridge along the ventral vomer to the adjacent caudal portion of the middle concha. The concavity of the septum mirrors the curve of the concha.
Fig. 5 in The endocranium of the theropod dinosaur Ceratosaurus studied with computed tomography
Fig. 5. Three dimensional reconstruction of the inner ear of Ceratosaurus magnicornis (MWC 1) in lateral (A), anterior (B), and dorsal (C) views. An arrowhead points to a reconstruction artifact at junction of anterior semicircular canal and utricle. D. A stereopair in the dorsolateral view.
Fig. 3. A in The endocranium of the theropod dinosaur Ceratosaurus studied with computed tomography
Fig. 3. A. Ceratosaurus magnicornis (MWC 1, Fruita, Colorado, Morrison Formation, Upper Jurassic), computed tomography image of the whole braincase in right lateral view with superimposed digital endocast (dark outline). The occipitofrontal angle is 98°. B. Allosaurus fragilis (UUVP 294, Cleveland−Lloyd Quarry, Morrison Formation, Jurassic) endocranial cast (from Rogers 1998). Matrix below the semicircular canals in an oval white outline represents epipharyngeal pneumatic sinuses and is not part of the endocranium. Note that endocast of Ceratosaurus is straighter than in Allosaurus.
Fig. 11 in The endocranium of the theropod dinosaur Ceratosaurus studied with computed tomography
Fig. 11. Ceratosaurus magnicornis (MWC 1, Fruita, Colorado, Morrison Formation, Upper Jurassic). Three−dimensional virtual rendering of the preserved pneumatic sinuses in right lateral (A) and dorsal (B) views.
Fig. 9. A in The endocranium of the theropod dinosaur Ceratosaurus studied with computed tomography
Fig. 9. A. Alligator mississippiensis (LDWF 904625, Recent), optic/pituitary zone; A1, axial T2 weighted MRI, showing the optic chiasm in interorbital foramen; A2, sagittal T2 weighted MR1 of the same specimen, showing the optic chiasm within the interorbital fenestrum. B. Ceratosaurus magnicornis (MWC 1, Fruita, Colorado, Morrison Formation, Upper Jurassic); B1, computed tomography image of the whole braincase in right lateral view, with semitransparent slab indicating location of the sections through optic/pituitary zone; B2–B4, sections through optic/pituitary zone that progress from caudal to rostral.
Fig. 7 in The endocranium of the theropod dinosaur Ceratosaurus studied with computed tomography
Fig. 7. Alligator mississippiensis (LDWF 904625, Recent). Coronal T2 weighted fast spin echo MRI of showing branches of the trigeminal nerve. The images progress from caudal to rostral. A. The caudalmost slice shows the trigeminal ganglion and the large mandibular branch (V3) entering the jaw muscle complex. B. Proximal maxillary branch (V2) exiting skull at apex of pterygoid space while the proximal ophthalmic branch (V1) travels towards the orbit inside the skull. C. V1 in the roof of the cavernous sinus, V2 outside the skull and prior to entering the posterior orbital floor next to the recurrent loop of the internal carotid artery. This section of the carotid artery is proximal to the anterior and posterior encephalic arteries (Burda 1969). D. V2 traversing the floor of the orbit before entering the snout. All sections are in the same scale.
Figure 5 in The skull of the rare Malaysian snake Anomochilus leonardi Smith, based on high-resolution X-ray computed tomography
Figure 5. Three-dimensional cutaway views along the frontal axis of Anomochilus leonardi (FRIM 0026) based on HRXCT data. A, approximately 0.97 mm depth; and B, approximately 1.34 mm depth. Scale bar = 1 mm. See key for abbreviations.
Figure 4 in The skull of the rare Malaysian snake Anomochilus leonardi Smith, based on high-resolution X-ray computed tomography
Figure 4. Three-dimensional cutaway views along the sagittal axis of Anomochilus leonardi (FRIM 0026) based on HRXCT data. A, approximately 0.69 mm depth; and B, approximately 1.45 mm depth. Scale bar = 1 mm. See key for abbreviations.
Figure 3 in The skull of the rare Malaysian snake Anomochilus leonardi Smith, based on high-resolution X-ray computed tomography
Figure 3. Three-dimensional cutaway views along the transverse axis of Anomochilus leonardi (FRIM 0026) based on HRXCT data. A, approximately 0.36 mm depth; B, approximately 1.29 mm depth; C, approximately 1.58 mm depth; D, approximately 1.97 mm depth; E, approximately 5.19 mm depth; F, approximately 5.81 mm depth; and G, approximately 5.94 mm depth. Scale bar = 1 mm. See key for abbreviations.
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.