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- Creator:
- Derstine, Brian A., Holcombe, Sven A., Ross, Brian E., Sullivan, June A., Wang, Stewart C., and Su, Grace L.
- Description:
- Sarcopenia is the age-related loss of skeletal muscle mass and function. Computed tomography (CT) assessments of sarcopenia utilize measurements of skeletal muscle cross-sectional area (SMA), radiation attenuation (SMRA), intramuscular adipose tissue (IMAT), and skeletal muscle gauge (SMG). Unadjusted SMA is strongly correlated with both height and body mass index (BMI); therefore, SMA must be adjusted for body size to assess sarcopenic low muscle mass fairly in individuals of different heights and BMI. SMA/height (rather than SMA/height^2) provides optimal height adjustment for skeletal muscle index (SMI), and vertebra-specific relative muscle index (RMI) equations optimally adjust for both height and BMI. Since L3 measurement is not available in all CT scans, sarcopenic low muscle mass may be assessed using other levels. Both a mid-vertebral slice and an inferior slice have been used to define `L3 SMA', but the effect of vertebral slice location on SMA measurements is unexplored. Healthy reference values for skeletal muscle measures at mid- and inferior vertebra slices between T10 and L5, have not yet been reported.
- Keyword:
- sarcopenia, skeletal muscle, reference population, Morphomics, Analytic Morphomics, and body composition
- Citation to related publication:
- Derstine, B.A., Holcombe, S.A., Wang, N.C. et al. Relative muscle indices and healthy reference values for sarcopenia assessment using T10 through L5 computed tomography skeletal muscle area. Scientific Reports 14, 21799 (2024). https://doi.org/10.1038/s41598-024-71613-x
- Discipline:
- Health Sciences
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- Creator:
- University of Michigan Museum of Zoology
- Description:
- Scan of specimen ummz:mammals:171797 (Peromyscus MANICULATUS gracilis) - WholeBody. Raw Dataset includes 1601 TIF images (each 894 x 656 x 1 voxel at 0.04976368 mm resolution, derived from 1601 scan projections), xtek and vgi files for volume reconstruction. and Scan of specimen ummz:mammals:171797 (Peromyscus MANICULATUS gracilis) - WholeBody. Reconstructed Dataset includes 1762 TIF images (each 894 x 656 x 1 voxel at 0.049764 mm resolution, derived from 1601 scan projections), xtek and vgi files for volume reconstruction.
- Keyword:
- Animalia, Chordata, Mammalia, Rodentia, Cricetidae, Peromyscus MANICULATUS gracilis, 1987346655, computed tomography, X-ray, and 3D
- Citation to related publication:
- For more information on the original UMMZ specimen, see: https://www.gbif.org/occurrence/1987346655
- Discipline:
- Science
-
- Creator:
- University of Michigan Museum of Zoology
- Description:
- Scan of specimen ummz:mammals:110759 (Eptesicus fuscus FUSCUS) - WholeBody. Raw Dataset includes 3141 TIF images (each 1199 x 658 x 1 voxel at 0.03815644 mm resolution, derived from 3141 scan projections), xtek and vgi files for volume reconstruction. and Scan of specimen ummz:mammals:110759 (Eptesicus fuscus FUSCUS) - WholeBody. Reconstructed Dataset includes 2000 TIF images (each 1199 x 658 x 1 voxel at 0.038156 mm resolution, derived from 3141 scan projections), xtek and vgi files for volume reconstruction.
- Keyword:
- Animalia, Chordata, Mammalia, Chiroptera, Vespertilionidae, Eptesicus fuscus FUSCUS, 1987336617, computed tomography, X-ray, 3D, and DiceCT
- Citation to related publication:
- For more information on the original UMMZ specimen, see: https://www.gbif.org/occurrence/1987336617
- Discipline:
- Science
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- Creator:
- University of Michigan Museum of Zoology
- Description:
- Scan of specimen ummz:mammals:110759 (Eptesicus fuscus FUSCUS) - Skull. Raw Dataset includes 2401 TIF images (each 849 x 1651 x 1 voxel at 0.01957305 mm resolution, derived from 2401 scan projections), xtek and vgi files for volume reconstruction. and Scan of specimen ummz:mammals:110759 (Eptesicus fuscus FUSCUS) - Skull. Reconstructed Dataset includes 1909 TIF images (each 849 x 1651 x 1 voxel at 0.019573 mm resolution, derived from 2401 scan projections), xtek and vgi files for volume reconstruction.
- Keyword:
- Animalia, Chordata, Mammalia, Chiroptera, Vespertilionidae, Eptesicus fuscus FUSCUS, 1987336617, computed tomography, X-ray, 3D, and DiceCT
- Citation to related publication:
- For more information on the original UMMZ specimen, see: https://www.gbif.org/occurrence/1987336617
- Discipline:
- Science
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- Creator:
- Adams, Savannah
- Description:
- These materials are SPSS datasets and syntax files related to a project investigating the weight given to various moral domains when forming impressions of others. We looked at how participants' impressions of the moral character of social targets varied when provided with information that those targets behaved in ways that upheld or violated various moral domains. Following this, we also looked at whether participants' willingness to cooperate with a target changed based on those behaviors, and whether judgments following information about the social targets remained robust under cognitive load.
- Keyword:
- Morality, Impression Formation, Social judgment, and Cooperation
- Discipline:
- Social Sciences
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- Creator:
- University of Michigan Museum of Zoology
- Description:
- Scan of specimen ummz:mammals:110760 (Eptesicus fuscus FUSCUS) - WholeBody. Raw Dataset includes 3141 TIF images (each 943 x 1196 x 1 voxel at 0.04161889 mm resolution, derived from 3141 scan projections), xtek and vgi files for volume reconstruction. and Scan of specimen ummz:mammals:110760 (Eptesicus fuscus FUSCUS) - WholeBody. Reconstructed Dataset includes 2000 TIF images (each 943 x 1196 x 1 voxel at 0.041619 mm resolution, derived from 3141 scan projections), xtek and vgi files for volume reconstruction.
- Keyword:
- Animalia, Chordata, Mammalia, Chiroptera, Vespertilionidae, Eptesicus fuscus FUSCUS, 1987256933, computed tomography, X-ray, 3D, and DiceCT
- Citation to related publication:
- For more information on the original UMMZ specimen, see: https://www.gbif.org/occurrence/1987256933
- Discipline:
- Science
-
- Creator:
- University of Michigan Museum of Zoology
- Description:
- Scan of specimen ummz:mammals:110760 (Eptesicus fuscus FUSCUS) - Skull. Raw Dataset includes 2401 TIF images (each 1829 x 1196 x 1 voxel at 0.0174195 mm resolution, derived from 2401 scan projections), xtek and vgi files for volume reconstruction. and Scan of specimen ummz:mammals:110760 (Eptesicus fuscus FUSCUS) - Skull. Reconstructed Dataset includes 1909 TIF images (each 1829 x 1196 x 1 voxel at 0.017420 mm resolution, derived from 2401 scan projections), xtek and vgi files for volume reconstruction.
- Keyword:
- Animalia, Chordata, Mammalia, Chiroptera, Vespertilionidae, Eptesicus fuscus FUSCUS, 1987256933, computed tomography, X-ray, 3D, and DiceCT
- Citation to related publication:
- For more information on the original UMMZ specimen, see: https://www.gbif.org/occurrence/1987256933
- Discipline:
- Science
-
- Creator:
- University of Michigan Museum of Zoology
- Description:
- Scan of specimen ummz:mammals:117164 (Berylmys bowersi) - WholeBody. Raw Dataset includes 1601 TIF images (each 1576 x 1805 x 1 voxel at 0.03919914 mm resolution, derived from 1601 scan projections), xtek and vgi files for volume reconstruction. and Scan of specimen ummz:mammals:117164 (Berylmys bowersi) - WholeBody. Reconstructed Dataset includes 658 TIF images (each 1576 x 1805 x 1 voxel at 0.039199 mm resolution, derived from 1601 scan projections), xtek and vgi files for volume reconstruction.
- Keyword:
- Animalia, Chordata, Mammalia, Rodentia, Muridae, Berylmys bowersi, 1987261988, computed tomography, X-ray, and 3D
- Citation to related publication:
- For more information on the original UMMZ specimen, see: https://www.gbif.org/occurrence/1987261988
- Discipline:
- Science
-
- Creator:
- University of Michigan Museum of Zoology
- Description:
- Scan of specimen ummz:mammals:120402 (Thyroptera tricolor) - WholeBody. Raw Dataset includes 3141 TIF images (each 903 x 1189 x 1 voxel at 0.03140041 mm resolution, derived from 3141 scan projections), xtek and vgi files for volume reconstruction. and Scan of specimen ummz:mammals:120402 (Thyroptera tricolor) - WholeBody. Reconstructed Dataset includes 1963 TIF images (each 903 x 1189 x 1 voxel at 0.031400 mm resolution, derived from 3141 scan projections), xtek and vgi files for volume reconstruction.
- Keyword:
- Animalia, Chordata, Mammalia, Chiroptera, Thyropteridae, Thyroptera tricolor, 1987280942, computed tomography, X-ray, 3D, and DiceCT
- Citation to related publication:
- For more information on the original UMMZ specimen, see: https://www.gbif.org/occurrence/1987280942
- Discipline:
- Science
-
- Creator:
- University of Michigan Museum of Zoology
- Description:
- Scan of specimen ummz:mammals:120402 (Thyroptera tricolor) - Skull. Raw Dataset includes 2401 TIF images (each 1456 x 1203 x 1 voxel at 0.0157802 mm resolution, derived from 2401 scan projections), xtek and vgi files for volume reconstruction. and Scan of specimen ummz:mammals:120402 (Thyroptera tricolor) - Skull. Reconstructed Dataset includes 2000 TIF images (each 1456 x 1203 x 1 voxel at 0.015780 mm resolution, derived from 2401 scan projections), xtek and vgi files for volume reconstruction.
- Keyword:
- Animalia, Chordata, Mammalia, Chiroptera, Thyropteridae, Thyroptera tricolor, 1987280942, computed tomography, X-ray, 3D, and DiceCT
- Citation to related publication:
- For more information on the original UMMZ specimen, see: https://www.gbif.org/occurrence/1987280942
- Discipline:
- Science