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243 results for “X-ray tomography”
Fig. 39 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 39. Coronal CT images showing the presence or absence of the rostral portion of endoturbinal I (char. 16). (A) rostral portion present (char. 16.0), Didelphis virginiana, C270 (TMM M-2517); (B) rostral portion absent (char. 16.1), Phascolarctos cinereus, C129 (TMM M-2946). Both scale bars equal 5 mm. Abbreviations: Endo, endoturbinal; ONS, ossified nasal septum.
Fig. 38 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 38. Coronal CT images showing the morphology of the caudalmost portion of the maxilloturbinal in marsupials (char. 2). (A) caudal maxilloturbinal is simple in morphology and is attached to the nasal cavity wall or floor (char. 2.0), Isoodon macrourus, C314 (TMM M-6922); (B) caudalmost portion of maxilloturbinal becomes an enclosed tube that tapirs into a cone that is unattached to the nasal cavity (char. 2.1), Phascolarctos cinereus, C251 (TMM M-2946). Both scale bars equal 5 mm. Abbreviations: Endo, endoturbinal; ONS, ossified nasal septum.
Fig. 35 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 35. Coronal CT images showing the presence or absence of pneumaticity in the caudal nasoturbinal (char. 8). (A) pneumaticity is absent (char. 8.0), Caenolestes fuliginosus, C400 (KU 124015), scale bar equals 1 mm; (B) pneumaticity is present (char. 8.1), Potorous tridactylus, C386 (AMNH 65337), scale bar equals 5 mm. Abbreviations: Ecto, ectoturbinal; Endo, endoturbinal; ONS, ossified nasal septum.
Fig. 34 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 34. Coronal CT images showing the presence or absence of a paraseptal shelf of the vomer (char 28). (A) shelf present (char. 28.0), Caenolestes fuliginosus, C389 (KU 124015), scale bar equals 1 mm; (B) shelf absent (char. 28.1), Pseudocheirus occidentalis, C273 (TMM M-847), scale bar equals 5 mm. Abbreviations: Ecto, ectoturbinal; Endo, endoturbinal; ONS, ossified nasal septum; PSV, paraseptal shelf of vomer; SER, sphenethmoid recess.
Fig. 45. Character 19 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 45. Character 19 (number of ectoturbinals) optimized on Meredith et al. (2009) topology. Character state 19.0 is the presence of one ectoturbinal; 19.1 is the presence of two ectoturbinals; 19.2 is the presence of three ectoturbinals; 19.3 is the presence of four ectoturbinals (this state is not shown on this tree). States for this character are illustrated in figure 21. Abbreviation: NA, not applicable.
Fig. 36 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 36. Coronal CT images showing the morphology of the ventral portion of ossified nasal septum (char. 30). (A) ventral portion is straight or only with slight bends or convolutions (char. 30.0), Wallabia bicolor, C430 (TMM M-4169); (B) ventral portion is very convoluted (char. 30.1), Potorous tridactylus, C495 (AMNH 65337). Both scale bars equal 5 mm. Abbreviations: Ecto, ectoturbinal; Endo, endoturbinal; NPM, nasopharyngeal meatus; ONS, ossified nasal septum; SER, sphenethmoid recess.
Fig. 42. Character 26 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 42. Character 26 (morphology of the maxillary recess) optimized on the Meredith et al. (2009) topology. For character state 26.0, the caudal portion of recess is medially enclosed by the posterior transverse lamina. For character state 26.1, the uncinate process of the caudal nasoturbinal also contributes to the medial wall of the recess. States for this character are illustrated in figure 27. Abbreviation: NA, not applicable.
Fig. 33 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 33. Coronal CT image showing the contact between the maxilloturbinal and nasoturbinal (char. 4.1) in Petauroides volans, C385 (AMNH 150055). The plesiomorphic condition for marsupials is the lack of contact between these two elements (char. 4.0). Scale bar equals 5 mm. Abbreviations: ONS, ossified nasal septum; P2, second upper premolar.
Fig. 31 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 31. Coronal CT images showing the morphology of the caudalmost portion of nasal cavity (i.e., sphenoidal recess; char. 35). (A) lateral restriction of sphenoidal recess by the endocranial cavity is absent (char. 35.0), Trichosurus vulpecula, C319 (TMM M-849); (B) lateral restriction of sphenoidal recess by the endocranial cavity is present (char. 35.1), Notoryctes typhlops, C443 (AMNH 202107). Both scale bars equal 5 mm. Abbreviations: Endo, endoturbinal; ONS, ossified nasal septum; SOR, sphenoidal recess; V2, maxillary branch of trigeminal nerve.
Fig. 30 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 30. Coronal CT image showing the contribution of posterior transverse lamina to the cribriform plate (char. state 33.1) shown in Notoryctes typhlops, C387 (AMNH 202107). Scale bar equals 1 mm. Abbreviations: Endo, endoturbinal; ONS, ossified nasal septum; PTL, posterior transverse lamina; SER, sphenethmoid recess.
Fig. 15 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 15. Coronal CT images showing the caudalmost point of ventral attachment of caudal nasoturbinal (char. 12). (A) nasoturbinal attaches to medial wall of lacrimal canal (char. 12.0), Isoodon macrourus, C374 (TMM M-6922); (B) nasoturbinal attaches to lateral wall of nasal cavity (char. 12.1), Trichosurus vulpecula, C212 (TMM M-849); (C) nasoturbinal attaches to medial wall of infraorbital canal (char. 12.2), Dasyurus hallucatus, C286 (TMM M-6921); (D) nasoturbinal attaches to floor of nasal cavity (char. 12.3), Caenolestes fuliginosus, C408 (KU 124015); (E) nasoturbinal attaches to the maxilloturbinal (char. 12.4), Petauroides volans, C450 (AMNH 150055). All scale bars equal 5 mm. Abbreviations: Ecto, ectoturbinal; Endo, endoturbinal; ONS, ossified nasal septum; PTL, posterior transverse lamina.
Fig. 26 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 26. Coronal CT images showing the presence or absence of a maxillary recess (char. 25). (A) recess is present (char. 25.0), Dasyurus hallucatus, C330 (TMM M-6921), scale bar equals 5 mm; (B) recess is absent (char. 25.1), Dromiciops gliroides, C230 (FMNH 127463), scale bar equals 1 mm. Abbreviations: Ecto, ectoturbinal; Endo, endoturbinal; ONS, ossified nasal septum; NPM, nasopharyngeal meatus; PTL, posterior transverse lamina; SER, sphenethmoid recess.
Fig. 3 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 3. Skull of Didelphis virginiana (TMM M-2517) shown in (A) dorsal, and (B) left lateral views. Scale bar equals 1 cm.
Fig. 14 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 14. Coronal CT images showing the presence or absence of an uncinate process of the nasoturbinal (char. 11). (A) uncinate process present (char. 11.0), Myrmecobius fasciatus, C270 (AMNH 155328); (B) uncinate process absent (char. 11.1), Echymipera kalubu, C435 (AMNH 190970). Both scale bars equal 5 mm. Abbreviations: Ecto, ectoturbinal; Endo, endoturbinal; ONS, ossified nasal septum; PTL, posterior transverse lamina.
Fig. 22 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 22. Coronal CT images showing the morphology of the rostral portion of ventralmost ectoturbinal (char. 22). (A) lamella does not contact posterior transverse lamina (char. 22.0), Dromiciops gliroides, C245 (FMNH 127463); (B) lamella is attached to posterior transverse lamina (char. 22.1), Macrotis lagotis, C485 (AMNH 74486). Both scale bars equal 5 mm. Abbreviations: Ecto, ectoturbinal; Endo, endoturbinal; M1, first upper molar; ONS, ossified nasal septum; SER, sphenethmoid recess.
Fig. 29 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 29. Coronal CT images showing the rostral extent of ossified nasal septum (char. 29). (A) ossified nasal septum extends rostral to crowns of upper canines (char. 29.0), Caenolestes fuliginosus, C136 (KU 124015), scale bar equals 1 mm; (B) septum rostral extent is even with crowns of upper canines (char. 29.1), Dromiciops gliroides, C112 (FMNH 127463), scale bar equals 1 mm; (C) septum rostral extent is caudal to crowns of upper canines (char. 29.2), Phalanger orientalis, C066 (AMNH 157211), scale bar equals 5 mm. Abbreviations: C, upper canine; Ccr, upper canine crown; ONS, ossified nasal septum.
Fig. 7 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 7. Digital rendering of the isolated right maxilloturbinal from Didelphis virginiana (TMM M-2517) shown in (A) lateral, (B) medial, (C) rostral, and (D) caudal views. Labels indicate caudal and rostral ends of the maxilloturbinal for the lateral and medial views. Scale bar equals 1 cm.
Fig. 11 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 11. Coronal CT images showing the morphology of the rostral portion of the caudal nasoturbinal (char. 9). (A) rostrodorsal and rostroventral portions are straight (without a kink; char. 9.0), Didelphis virginiana, C270 (TMM M-2517); (B) distinctive kink between rostrodorsal and rostroventral portions of caudal nasoturbinal (char. 9.1), Dasyurus hallucatus, C208 (TMM M-6921). Both scale bars equal 5 mm. Abbreviations: Endo, endoturbinal; ONS, ossified nasal septum.
Fig. 18 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 18. Coronal CT images showing variation in the number of endoturbinals (char. 18). (A) two endoturbinals present (ch. 18.0), Ornithorhynchus anatinus, C274 (AMNH 200255), scale bar equals 5 mm; (B) three endoturbinals present (char. 18.1), Tarsipes rostratus, C449 (AMNH 119717), scale bar equals 1 mm; (C) four endoturbinals present (char. 18.2), Dendrolagus lumholtzi, C296 (AMNH 65254), scale bar equals 5 mm; (D) five endoturbinals present (char. 18.3), Didelphis virginiana, C464 (TMM M-2517), scale
Fig. 25 in Comparative Morphology Of The Internal Nasal Skeleton Of Adult Marsupials Based On X-Ray Computed Tomography
Fig. 25. Coronal CT images showing the presence or absence of a frontal sinus (character 27). (A) no frontal sinus is present (char. 27.0), Dasyurus hallucatus, C428 (TMM M-6921); (B) small frontal sinus is present that comprises less than half of the cross sectional area of the frontals (char. 27.1), Phalanger orientalis, C342 (AMNH 157211); (C) large frontal sinuses present that comprises most or all of the cross sectional area of the frontals (char. 27.2), Dendrolagus lumholtzi, C329 (AMNH 65254). All scale bars equal 5 mm. Abbreviations: Endo, endoturbinal; ONS, ossified nasal septum; SOR, sphenoidal recess.
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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.