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12 results for “hair morphology”
Figs. 2, 3 in Assessing the morphological identification of guard hairs from Brazilian deer
Figs. 2, 3. Blastocerus dichotomus (Illiger, 1815). Light micrographs of guard hairs from the lateral region of the thorax of a male individual (10x magnification): Fig. 2, measurement of the area and perimeter of the scales, from the shield of the hair; Fig. 3, measurement of the total thickness of the hair, and the thickness of its medulla, from the shield of the hair.
Fig. 5 in Assessing the morphological identification of guard hairs from Brazilian deer
Fig. 5. Mazama americana (Erxleben, 1777). Light micrograph of the impression of a guard hair plucked from the lateral region of the thorax of a male individual, presenting a transverse wave with ornate scale edge cuticular pattern. This pattern is morphologically described as having no defined angles in the shape of the scales, their contour being wavy and composing a set of smooth transitions between protrusions and recesses of varying depths. Furthermore, the scales are arranged transversely in relation to the longitudinal axis of the hair and the edges may have small ridges and undulated or wavy indentations, with regular intervals or not, and with varying sizes (20x magnification).
Fig. 1 in Assessing the morphological identification of guard hairs from Brazilian deer
Fig. 1. Mazama americana (Erxleben, 1777). Body regions where samples of guard hair were collected (A, head; B, neck; C, side of the thorax; D, buttocks; E, back).
Fig. 7 in Assessing the morphological identification of guard hairs from Brazilian deer
Fig. 7. Cluster analysis of cuticular and medullar patterns in guard hairs of eight species of Brazilian cervids. For each sampled animal, there were used individual characteristics of each body region (cuticular patterns: area and perimeter of the scales, and medullar patterns: total thickness of the hair and thickness of the medulla). Blastocerus dichotomus (Illiger, 1815) female (BDF) and male (BDM), Odocoileus virginianus (Zimmermann, 1780) female (OVF) and male (OVM), Ozotoceros bezoarticus (Linnaeus, 1758) female (OBF) and male (OBM), Mazama nana (Hensel, 1872) female (MnF) and male (MnM), Mazama americana (Erxleben, 1777) female (MAF) and male (MAM), Mazama gouazoubira (Fisher, 1814) female (MGF) and male (MGM), Mazama nemorivaga (Cuvier, 1817) female (MNF) and male (MNM), Mazama bororo (Duarte, 1996) female (MBF) and male (MBM).
Fig. 6 in Assessing the morphological identification of guard hairs from Brazilian deer
Fig. 6. Blastocerus dichotomus (Illiger, 1815). Light micrograph of a guard hair plucked from the lateral region of the thorax of a male individual, presenting a reticulate medullar pattern. This pattern is morphologically described asa pattern that has more than one row of cells in its width and the cells anastomose with each other circumscribing spaces of varying size and predominantly circular shape (10x magnification).
Source: Photos courtesy of M.M. Le Roux (a–d) and K.S. Mashego (e–f) FIGURE 1: Morphological characters of Thesium confine (a, d, e) and T. durum (b, c, f) showing (a) the scale-like leaves found in both species; (b) involucral bracts that are invariably present in T. durum; (c) longitudinal section of a flower showing the dense hairs on the perianth lobes, stigma opposite the anthers and the twisted placental column; the habit of (d) T. confine and typical herbarium specimens of (e) T. confine and (f) T. durum. in A taxonomic evaluation of the Thesium confine species complex (Santalaceae)
Source: Photos courtesy of M.M. Le Roux (a–d) and K.S. Mashego (e–f) FIGURE 1: Morphological characters of Thesium confine (a, d, e) and T. durum (b, c, f) showing (a) the scale-like leaves found in both species; (b) involucral bracts that are invariably present in T. durum; (c) longitudinal section of a flower showing the dense hairs on the perianth lobes, stigma opposite the anthers and the twisted placental column; the habit of (d) T. confine and typical herbarium specimens of (e) T. confine and (f) T. durum.
Data from: 3D morphology of an outer-hair-cell hair bundle increases its displacement and dynamic range
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Nesokia is sister to Bandicota and are nested in Rattus phylogenetically, making Rat- tus paraphyletic. Tarsomys, Limnomys, and Diplothrix are also phylogenetically in Rat- tus, and the clade is in need of focused re- vision at the generic level. Nesokia bunnui was originally described as a separate ge-nus, Erythronesokia, because it is morphologically very distinctive from N. indica. Type specimen was destroyed during the Iraq War, and a neotype was recently designated to replace it. Monotypic. Distribution. Tigris and Euphrates river valleys, SE Iraq. Descriptive notes. Head—body 230-260 mm, tail 205-270 mm, ear 18-21 mm, hindfoot 49-58 mm; weight 519 g. The Long-tailed Bandicoot Rat is larger than the Short-tailed Bandicoot Rat (N. indica). Pelage is soft and woolly, interspersed with harsher coarse hair and long black hairs near mid-back. Dorsum is fawn to ocherous red, washed with purple or chestnuton darker individuals. Hairs are basally slate-gray and distally rufous, occasionally with whitish or black tips. Muzzle is drab. Sides arefawn, with gray edge toward venter. Venteris whitish, extending onto cheeks where the same pattern from gray to fawn to dorsal pelage occurs. Feet are large and robust, being light brown and well-furred dorsally. Claws are amber on forefeet and dull brown on hindfeet; pollux is extremely small. Ears are moderately long and brownish, with no hair internally. Tail is ¢.82-104% of head-body length and deep brownish drab, interspersed with visible white hair. Skull is large and robust, similarly to the Short-tailed Bandicoot Rat. Habitat. Marsh and swamp land. Food and Feeding. No information. Breeding. No information. Activity patterns. The Long-tailed Bandicoot Rat is terrestrial, although it isfound in swampy and marshy areas and is probably amphibious. Movements, Home range and Social organization. No information. Status and Conservation. Classified as Endangered on The IUCN Red List. The Longtailed Bandicoot Rat is apparently rare and is known from very few specimens. Marsh and swamp habitats in which it is found were completely destroyed during the Iraq War by draining, war damage, and agricultural expansion. In recent years, flooding from Tigris and Euphrates rivers and high snow fall and melt haveresulted in partial restoration ofits native habitat, although restoration is not a complete. Populations are now probably highly fragmented. Bibliography. Al-Ansari et al. (2012), Al-Robaae & Felten (1990), Khajuria (1981), Krystufek et al. (2017), Musser & Carleton (2005), Richardson & Hussain (2006), Stuart (2008). in Muridae
Nesokia is sister to Bandicota and are nested in Rattus phylogenetically, making Rat- tus paraphyletic. Tarsomys, Limnomys, and Diplothrix are also phylogenetically in Rat- tus, and the clade is in need of focused re- vision at the generic level. Nesokia bunnui was originally described as a separate ge-nus, Erythronesokia, because it is morphologically very distinctive from N. indica. Type specimen was destroyed during the Iraq War, and a neotype was recently designated to replace it. Monotypic. Distribution. Tigris and Euphrates river valleys, SE Iraq. Descriptive notes. Head—body 230-260 mm, tail 205-270 mm, ear 18-21 mm, hindfoot 49-58 mm; weight 519 g. The Long-tailed Bandicoot Rat is larger than the Short-tailed Bandicoot Rat (N. indica). Pelage is soft and woolly, interspersed with harsher coarse hair and long black hairs near mid-back. Dorsum is fawn to ocherous red, washed with purple or chestnuton darker individuals. Hairs are basally slate-gray and distally rufous, occasionally with whitish or black tips. Muzzle is drab. Sides arefawn, with gray edge toward venter. Venteris whitish, extending onto cheeks where the same pattern from gray to fawn to dorsal pelage occurs. Feet are large and robust, being light brown and well-furred dorsally. Claws are amber on forefeet and dull brown on hindfeet; pollux is extremely small. Ears are moderately long and brownish, with no hair internally. Tail is ¢.82-104% of head-body length and deep brownish drab, interspersed with visible white hair. Skull is large and robust, similarly to the Short-tailed Bandicoot Rat. Habitat. Marsh and swamp land. Food and Feeding. No information. Breeding. No information. Activity patterns. The Long-tailed Bandicoot Rat is terrestrial, although it isfound in swampy and marshy areas and is probably amphibious. Movements, Home range and Social organization. No information. Status and Conservation. Classified as Endangered on The IUCN Red List. The Longtailed Bandicoot Rat is apparently rare and is known from very few specimens. Marsh and swamp habitats in which it is found were completely destroyed during the Iraq War by draining, war damage, and agricultural expansion. In recent years, flooding from Tigris and Euphrates rivers and high snow fall and melt haveresulted in partial restoration ofits native habitat, although restoration is not a complete. Populations are now probably highly fragmented. Bibliography. Al-Ansari et al. (2012), Al-Robaae & Felten (1990), Khajuria (1981), Krystufek et al. (2017), Musser & Carleton (2005), Richardson & Hussain (2006), Stuart (2008).
The first comprehensive revision of all the species attributed to Melomys led J. I. Menzies in 1996 to resurrect the genus Paramelomys and to redefine its morphologicallimits and species content. Menzies created P. gressitti as a new species belonging to a group displaying morphological similarities and including also P. lorentzii and P. moncktoni. Monotypic Distribution. E New Guinea. Descriptive notes. Head-body 135-162 mm, hindfoot 30-34 mm; no specific data are available for body weight. Gressitt's Mosaic-tailed Rat is a medium-sized Paramelomys with a soft, thick and woolly pelage, a long narrow foot, and a tail with three hairs per scale. It exhibits a medium-sepia dorsal pelage and a gray-buff ventral one. Tail is slightly shorter (99%) than head-body length. The skull has a narrow zygomatic plate. Habitat. Moist tropical mountain forest between 2300 m and 2400 m. Food and Feeding. No information. Breeding. No information. Activity patterns. Gressitt's Mosaic-tailed Rat is terrestrial. Movements, Home range and Social organization. No information. Status and Conservation. Classified as Endangered on The IUCN Red List owing to its small geographic range (less than 3500 km?*) and the destruction ofits habitat by mining and logging activities. The major threat to Gressitt's Mosaic-tailed Rat is ongoing habitat degradation caused by nearby human populations; habitat on Mount Kandy has been destroyed by gold-miners and wood-cutters. Bibliography. Menzies (1996). in Muridae
The first comprehensive revision of all the species attributed to Melomys led J. I. Menzies in 1996 to resurrect the genus Paramelomys and to redefine its morphologicallimits and species content. Menzies created P. gressitti as a new species belonging to a group displaying morphological similarities and including also P. lorentzii and P. moncktoni. Monotypic Distribution. E New Guinea. Descriptive notes. Head-body 135-162 mm, hindfoot 30-34 mm; no specific data are available for body weight. Gressitt's Mosaic-tailed Rat is a medium-sized Paramelomys with a soft, thick and woolly pelage, a long narrow foot, and a tail with three hairs per scale. It exhibits a medium-sepia dorsal pelage and a gray-buff ventral one. Tail is slightly shorter (99%) than head-body length. The skull has a narrow zygomatic plate. Habitat. Moist tropical mountain forest between 2300 m and 2400 m. Food and Feeding. No information. Breeding. No information. Activity patterns. Gressitt's Mosaic-tailed Rat is terrestrial. Movements, Home range and Social organization. No information. Status and Conservation. Classified as Endangered on The IUCN Red List owing to its small geographic range (less than 3500 km?*) and the destruction ofits habitat by mining and logging activities. The major threat to Gressitt's Mosaic-tailed Rat is ongoing habitat degradation caused by nearby human populations; habitat on Mount Kandy has been destroyed by gold-miners and wood-cutters. Bibliography. Menzies (1996).
Otomys cheesmani previously was included in O.typus but shown to be a distinct spe-cies based on morphological and molecular grounds. Monotypic. Distribution. Restricted to two known lo-calities in NW Ethiopia, S ofLake Tana. Descriptive notes. Head-body 165-210 mm, tail 77-106 mm, ear 22-24 mm, hindfoot 28-31 mm. No specific data are available for body weight. Cheesman's Vlei Rat has shaggy dark pelage and is larger than all other species of Otomys, except the Angolan Vlei Rat (O. anchietae). Fur of Cheesman's Vlei Rat is bright brown, with reddish shade above and pale yellowish gray below. Ears are blackish, and inner surfaces are covered with short rufous hairs. Forefeet and hindfeet are dark gray above. Tail is relatively short (49-3% of head-body length), blackish above and pale yellowish below but notappearing distinctly bicolored. Lower incisors with two deep grooves. M, has four laminae, and M" has eight or nine laminae. in Muridae
Otomys cheesmani previously was included in O.typus but shown to be a distinct spe-cies based on morphological and molecular grounds. Monotypic. Distribution. Restricted to two known lo-calities in NW Ethiopia, S ofLake Tana. Descriptive notes. Head-body 165-210 mm, tail 77-106 mm, ear 22-24 mm, hindfoot 28-31 mm. No specific data are available for body weight. Cheesman's Vlei Rat has shaggy dark pelage and is larger than all other species of Otomys, except the Angolan Vlei Rat (O. anchietae). Fur of Cheesman's Vlei Rat is bright brown, with reddish shade above and pale yellowish gray below. Ears are blackish, and inner surfaces are covered with short rufous hairs. Forefeet and hindfeet are dark gray above. Tail is relatively short (49-3% of head-body length), blackish above and pale yellowish below but notappearing distinctly bicolored. Lower incisors with two deep grooves. M, has four laminae, and M" has eight or nine laminae.
parts conical pore; B = loculate pore; C = minute sclerotised pore; D = tubular duct of spermatheca; E = hair; F = hairlike seta; G = collared setae; H = satellite setae; L = bifurcated seta; M = abdominal spiracle; N = anal tube; P = part of leg; Q = claw; R = view of part of dorsal derm; S = view or part of ventral derm; T = abdominal tubular duct; Z = spine on eversible endophallus. Also note that, on central drawing, density of setae only shown on one abdominal segment and leg setae only shown on methorax in Morphology of Marchalina hellenica (Gennadius) (Hemiptera: Coccoidea: Marchalinidae) from Greece, with a discussion on the identity of M. caucasica Hadzibeyli from the Caucasus
parts conical pore; B = loculate pore; C = minute sclerotised pore; D = tubular duct of spermatheca; E = hair; F = hairlike seta; G = collared setae; H = satellite setae; L = bifurcated seta; M = abdominal spiracle; N = anal tube; P = part of leg; Q = claw; R = view of part of dorsal derm; S = view or part of ventral derm; T = abdominal tubular duct; Z = spine on eversible endophallus. Also note that, on central drawing, density of setae only shown on one abdominal segment and leg setae only shown on methorax
FIGURE 2. Tayloria rudolphiana. A. Young sporophyte. B. Calyptra. C–D. Capsules. E. Columella with spore sac. F. Peristome teeth. G. Stomata. H. Axillary hairs. I in Revisit of European-Asiatic connections in Tayloria rudolphiana (Splachnaceae, Bryophyta) based on molecular data and new morphological evidence
FIGURE 2. Tayloria rudolphiana. A. Young sporophyte. B. Calyptra. C–D. Capsules. E. Columella with spore sac. F. Peristome teeth. G. Stomata. H. Axillary hairs. I. Cross sections of stem. J. Cross sections of leaves at midleaf. (All photo images prepared from He & Yi 49798, MO).
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