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674 results for “Stomach”
SJR Dolphin SCA: Degradation Scores, OL Length and Identifications of Otoliths Collected from Bottlenose Dolphin Stomachs
Otoliths were collected from stomach contents of stranded bottlenose dolphins (Tursiops erebennus) in the St. Johns River in Jacksonville, Florida. Otoliths were analyzed by a panel of 3 reviewers to determine the level of otolith degradation that occurred during digestive processes. Otoliths with scores ≤ 3 were measured. Otolith length measurements were used to estimate the size of most species by applying standard regression equations developed from fish species collected from a nearby water system, the Indian River Lagoon, and for one species, equations developed from violet gobies collected from the St. Johns River. These equations enabled estimation of the mass of each prey species in each dolphin’s stomach, then the calculation of their relative proportions of reconstructed mass across all stomachs. For otolith identification purposes, a panel of 4 reviewers assigned each otolith with a family-level and species-level identification. Each identification was given a confidence code ranging from 1 (no confidence) to 4 (certainty). When the average code for all reviewers was < 3, the otolith was considered unidentified. If two of the reviewers agreed with the “weight” reviewer and all gave scores ≥ 3, the score of the outlying reviewer was discarded. Identification was assigned when the average confidence code was ≥ 3. The minimum number of species per dolphin stomach was determined by counting the left and right otoliths for each species separately, using the higher count as the minimum prey number. Unidentified species were counted, and half of their sum was considered the minimum prey number. The frequency of occurrence (%FO, or proportion of stomachs in which a species was detected) and numerical proportion (%N, or proportion of a given species pooled across all stomach samples) of each prey species were then calculated.
Stomach contents and stable isotopes from the aquatic food web in Everglades National Park, Florida, USA, 2018-2019
Stable isotope samples were collected among habitats and between seasons at multiple sites in both Shark River Slough and Taylor Slough of Everglades National Park to represent as much of the aquatic food web as possible. Stomach contents were also recorded for many of the collected vertebrate samples. Sampling occurred between October 2018 and April 2019. These data are a follow up study to the FCE1263 data package (https://portal.edirepository.org/nis/mapbrowse?scope=knb-lter-fce&identifier=1263) following the invasion of several fishes, most notably the African Jewelfish (Rubricatochromis letourneuxi), although there are some differences in habitats sampled and overall spatial coverage. R code for analyses associated with these data are available at https://github.com/pjflood/diet_and_pond_enrichment. Data collection is complete.
Stomach contents (1977-1981) and stable isotopes (1994) from the Everglades, Florida, USA from the publication "Fishes in a seasonally pulsed wetland show spatiotemporal shifts in diet and trophic niche but not shifts in trophic position"
Stomach contents of fishes (1977-1981) and stable isotopes of fishes, invertebrates, and basal resources (1994) were collected from spikerush marsh, sawgrass ridge, and alligator pond habitats in Shark River Slough, Everglades National Park, Florida, USA. These data were used to quantify diet, trophic niche area, trophic position, basal resource use and how these metrics vary among size classes, seasons, and habitats. Data collection is complete. These data support Flood et al. (2023). Associated R code will be made available through Peter Flood's GitHub: https://github.com/pjflood/historic_everglades_aquatic_food_web. References: Flood, Peter J., William F. Loftus, and Joel C. Trexler. "Fishes in a seasonally pulsed wetland show spatiotemporal shifts in diet and trophic niche but not shifts in trophic position." Food Webs 34 (2023): e00265. https://doi.org/10.1016/j.fooweb.2022.e00265
Full summary statistics of mixQTL for GTEx v8 Stomach
The mixQTL method is described in paper doi.org/10.1101/2020.04.22.050666. Please cite the original paper if using the data.
Supplemental Movie 5: Pattern of slow wave activation in intact stomach as viewed by imaging of Ca2+ transients in ICC-MY.
<p><strong><span>Supplemental Movie 5:<span> </span>P</span>attern of slow wave activation in intact stomach as viewed by imaging of Ca<sup>2+</sup> transients in ICC-MY<span> </span></strong><span>Ca</span><sup><span>2+</span></sup> transients were monitored in canulated whole stomachs taken from mice expressing GCaMP3 exclusively in ICC (upper left panel). The whole stomach from fundus through the pylorus is visualized in the FOV.<span> </span>Right panel shows differentiated image in which background (unchanged pixels) remains black and active pixels (ICC) are intensity-coded to white.<span> </span>Activation of <span>Ca</span><sup><span>2+</span></sup> waves (which activate currents in ICC-MY and generate slow waves in gastric muscles) develop into a spiral pattern of activation from a dominant pacemaker region near the greater curvature of the corpus.<span> </span><span>Ca</span><sup><span>2+</span></sup> transients in the whole stomach <span>are plotted as a spatio-temporal map, displaying proximal to distal propagation of Ca</span><sup><span>2+</span></sup><span><span> waves</span></span><span> along the length of the stomach (lower panel). (Provided by Dr. Grant Henning)</span></p>
Рис. 6. Поперечные (А–Е, З, И) и продольный (Ж) среЗы череЗ органы пиЩеварительной системы моллюска: А – меШок кристаллического стебелька, Б, В – петли киШки, Г, Д – часть желудка с длинными складками на дорсальной части стенки, Е, З – петли киШки с тифлоЗолем, И – боковаЯ часть тифлоЗолЯ. МасШтабные линейки 300 мкм (Е, З, И), 200 мкм (А, В, Г, Д), 40 мкм (Б). мс – меШок кристаллического стебелька, Кс – кристаллический стебелек, Р – реснички, т – тифлоЗоль, lp – lamina propria, г – гемолимфа. Fig. 6. Transverse (А–Е, З, И) and saggital (Ж) sections of the digestive organs: А – crystalline style sac, Б, В – intestinal limbs, Г, Д – part of the stomach with long plicae on the dorsal wall, Е, З – intestinal limbs with typhlosole, И – lateral part of the typhlosole. Scale bars 300 µm (Е, З, И), 200 µm (А, В, Г, Д), 40 µm (B). мс – style sac, Кс – crystalline style, Р – cilia, т – typhlosole, lp – lamina propria, г – hemolymph. in Nodularia vladivostokensis (Bivalvia: Unionidae) from Razdolnaya River (Primorye, Russia)
Рис. 6. Поперечные (А–Е, З, И) и продольный (Ж) среЗы череЗ органы пиЩеварительной системы моллюска: А – меШок кристаллического стебелька, Б, В – петли киШки, Г, Д – часть желудка с длинными складками на дорсальной части стенки, Е, З – петли киШки с тифлоЗолем, И – боковаЯ часть тифлоЗолЯ. МасШтабные линейки 300 мкм (Е, З, И), 200 мкм (А, В, Г, Д), 40 мкм (Б). мс – меШок кристаллического стебелька, Кс – кристаллический стебелек, Р – реснички, т – тифлоЗоль, lp – lamina propria, г – гемолимфа. Fig. 6. Transverse (А–Е, З, И) and saggital (Ж) sections of the digestive organs: А – crystalline style sac, Б, В – intestinal limbs, Г, Д – part of the stomach with long plicae on the dorsal wall, Е, З – intestinal limbs with typhlosole, И – lateral part of the typhlosole. Scale bars 300 µm (Е, З, И), 200 µm (А, В, Г, Д), 40 µm (B). мс – style sac, Кс – crystalline style, Р – cilia, т – typhlosole, lp – lamina propria, г – hemolymph.
Fig 3 in Ontogeny and stomach content analysis of Bagrus bayad (Forskal, 1977) in Zobe reservoir, Katsina, Nigeria
Fig 3: Percentage relative importance index of various food items in the stomach content of Bagrus bayad in Zobe reservoir.
Figure 4 in Carangoides bartholomaei (Cuvier, 1833) stomach: a source of aspartic proteases for industrial and biotechnological applications
Figure 4. Yield of Nile tilapia collagen extraction using different methods.ASC (Acid Soluble Collagen), PSC/S (Pepsin Soluble Collagen obtained using porcine commercial pepsin) and PSC/PE (Pepsin Soluble Collagen obtained using PE). Different superscript letters mean statistical differences between extraction methods (p<0.05).
Figure 2 in Carangoides bartholomaei (Cuvier, 1833) stomach: a source of aspartic proteases for industrial and biotechnological applications
Figure 2. pH and temperature effect on PE acidic proteases. (A) optimal pH; (B) optimal temperature; (C) pH stability; (D) temperature stability.
Рис. 2. СреΑнее процентное соΑержание в гастроΛитах гусей основных грануΛометрических фракций зерен (сΛева) и их минераΛьных разновиΑностей (справа) Fig. 2. Average percentage of the main granulometric fractions of grains (left) and their mineral varieties (right) in goose gastroliths in The mineral composition of gastroliths in the stomachs of Anatidae in Primorsky Region and the importance of silicon minerals in the physiology of birds
Рис. 2. СреΑнее процентное соΑержание в гастроΛитах гусей основных грануΛометрических фракций зерен (сΛева) и их минераΛьных разновиΑностей (справа) Fig. 2. Average percentage of the main granulometric fractions of grains (left) and their mineral varieties (right) in goose gastroliths
Рис. 3. А — гастроΛиты гуся беΛоΛобого (кварц и отΑеΛьные кристаΛΛы амфибоΛов), ХороΛьский район, сеΛо Сиваковка; Б — гастроΛиты из жеΛуΑка гуся беΛоΛобого (размерность кварцевых зерен), южный берег оз. Ханка Fig. 3. A — gastroliths of a white-fronted goose (quartz and individual crystals of amphiboles), Khorolsky District, Sivakovka village; Б — gastroliths from the stomach of a white-fronted goose (dimension of quartz grains), the southern shore of Lake Khanka in The mineral composition of gastroliths in the stomachs of Anatidae in Primorsky Region and the importance of silicon minerals in the physiology of birds
Рис. 3. А — гастроΛиты гуся беΛоΛобого (кварц и отΑеΛьные кристаΛΛы амфибоΛов), ХороΛьский район, сеΛо Сиваковка; Б — гастроΛиты из жеΛуΑка гуся беΛоΛобого (размерность кварцевых зерен), южный берег оз. Ханка Fig. 3. A — gastroliths of a white-fronted goose (quartz and individual crystals of amphiboles), Khorolsky District, Sivakovka village; Б — gastroliths from the stomach of a white-fronted goose (dimension of quartz grains), the southern shore of Lake Khanka
Рис. 1. А — среΑнее процентное соΑержание грануΛометрических фракций в составе гастроΛитов уток с Ханкайского (сΛева) и с Хасанского (справа) участков; Б — среΑнее процентное соΑержание минераΛов в гастроΛитах уток с Ханкайского (сΛева) и с Хасанского (справа) участков in The mineral composition of gastroliths in the stomachs of Anatidae in Primorsky Region and the importance of silicon minerals in the physiology of birds
Рис. 1. А — среΑнее процентное соΑержание грануΛометрических фракций в составе гастроΛитов уток с Ханкайского (сΛева) и с Хасанского (справа) участков; Б — среΑнее процентное соΑержание минераΛов в гастроΛитах уток с Ханкайского (сΛева) и с Хасанского (справа) участков
Fig. 7 in Lesions associated with Eucoleus sp. in the non-glandular stomach of wild urban rats (Rattus norvegicus)
Fig. 7. Spatial distribution of Norway rats (Rattus norvegicus) infected with Eucoleus sp. and/or with associated stomach pathology in the Downtown Eastside of Vancouver, Canada. There are no clusters of affected rats.
Fig. 6 in Lesions associated with Eucoleus sp. in the non-glandular stomach of wild urban rats (Rattus norvegicus)
Fig. 6. Eucoleus sp. egg collected from a female worm embedded in the non-glandular stomach mucosa of a wild, Norway rat (Rattus norvegicus). (A) Photomicrogaph of an egg taken with correct focus (B) Photomicrogaph of the same egg as in A, but taken in an elevated focus targeting the egg shell. Note the dense network of anastomosing ridges.
Fig. 4 in Lesions associated with Eucoleus sp. in the non-glandular stomach of wild urban rats (Rattus norvegicus)
Fig. 4. Female Eucoleus sp. embedded in the mucosa of non-glandular stomach of a wild, Norway rat (Rattus norvegicus). Black arrows point to the meandering nematode. Red arrows points to eggs in uterus. Blue lines indicate the width (~60 µm) of the nematode at various positions. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)
Fig. 5 in Lesions associated with Eucoleus sp. in the non-glandular stomach of wild urban rats (Rattus norvegicus)
Fig. 5. Tail of a male Eucoleus sp. collected from the non-glandular stomach mucosa of a wild, Norway rat (Rattus norvegicus). Note the slender long moderately sclerotized spicule (black arrow) with cuticular spine covered spicular sheath (red arrow). Blue arrow points to posteriorly directed two minute lobes of the rudimentary pseudo bursa. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)
Fig. 2 in Lesions associated with Eucoleus sp. in the non-glandular stomach of wild urban rats (Rattus norvegicus)
Fig. 2. Cross-sections of Eucoleus sp. adults (arrows) and eggs (arrowheads) within the keratin and superficial mucosa of the esophagus in a wild Norway rat (Rattus norvegicus). Scale bar = 100 µm.
Fig. 3 in Lesions associated with Eucoleus sp. in the non-glandular stomach of wild urban rats (Rattus norvegicus)
Fig. 3. Eucoleus sp. eggs (arrow) embedded within hyperkeratosis (A) in the nonglandular stomach of a wild, Norway rat (Rattus norvegicus). There is mucosal hyperplasia (B) and subcutaneous granulocytic inflammation (‡). Scale bar = 100 µm.
Fig. 1 in Lesions associated with Eucoleus sp. in the non-glandular stomach of wild urban rats (Rattus norvegicus)
Fig. 1. Squamous papilloma (arrow) arising from the non-glandular stomach of a wild Norway rat (Rattus norvegicus) from Vancouver, Canada. Asterisk (‡) indicates the unaffected glandular stomach. Scale bar = 1 cm.
Fig. 4 in Detection of cryptic species of Rugopharynx (Nematoda: Strongylida) from the stomachs of Australian macropodid marsupials
Fig. 4. Phylogenetic relationships of species of Rugopharynx and Rugonema labiatum based on a neighbor-joining analysis of the sequence data of the ITS+ nuclear ribosomal DNA. Values above and below branches represent the NJ and MP bootstrap values (respectively) that were greater than 70%.
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