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573 results for “chewing”
Text-fig. 19. Carnivore chewing traces on the olecranon process of ulna 98-599-B. in Consumption Of Canid Meat At The Gravettian Předmostí Site, The Czech Republic
Text-fig. 19. Carnivore chewing traces on the olecranon process of ulna 98-599-B.
Figure 4 in New records of chewing lice (Insecta: Phthiraptera) parasites of Brazilian Anhimidae, Threskiornithidae, and Aramidae (Aves)
Figure 4. Habitus in most dorsal view: A = Bothriometopus macrocnemis female; B = Ibidoecus heterogenitalis male; C = Ibidoecus iberoamericanus female; D = Ibidoecus phimosus female (note a fusion of tergopleurites IV+V on left and V+VI on right side of specimen as result of a teratology); E = Rallicola funebris female. All photos are in same scale.
Figure 3 in New records of chewing lice (Insecta: Phthiraptera) parasites of Brazilian Anhimidae, Threskiornithidae, and Aramidae (Aves)
Figure 3. Habitus in most dorsal view: A = Ardeicola meinertzhageni male; B = Ardeicola praegracilis female; C = Ardeicola rhaphidius male; D = Ardeicola theristicus male. All photos are in same scale.
Figure 1 in New records of chewing lice (Insecta: Phthiraptera) parasites of Brazilian Anhimidae, Threskiornithidae, and Aramidae (Aves)
Figure 1. Habitus in most dorsal view: A = Colpocephalum ajajae male (note a dilatation of pre-ocular region on right side of specimen as result of a teratology); B = Colpocephalum cayennensis male; C = Colpocephalum harpiprioni male; D = Colpocephalum infuscati male; E = Colpocephalum leptopygos female; F = Colpocephalum trispinum male. All photos are in same scale.
Chewed vs. Crushed Lanthanum Carbonate in Hemodialysis Patients
ClinicalTrials.gov study NCT00660530. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Effect of Chewing Gum in Hemodialysis Patients
ClinicalTrials.gov study NCT04142216. IPD Sharing: NO. Countries: 1. Publications: 4.
Chewing Gum Use to Reduce Post-operative Ileus in Pediatric Patients
ClinicalTrials.gov study NCT01583452. IPD Sharing: Not stated. Countries: 1. Publications: 6.
Safety and Tolerability of Antiplaque Chewing Gum in a Gingivitis Population
ClinicalTrials.gov study NCT01877421. IPD Sharing: NO. Countries: 1. Publications: 1.
This Study Will Assess Whether the Treatment Provided by Dentist is Successful in Meeting the Expectations of Patient by Asking Questions Related to Aesthetics, Chewing Ability, Comfort and Phonetics
ClinicalTrials.gov study NCT07100678. IPD Sharing: NO. Countries: 1. Publications: 0.
Data from: Temporal and spatial dynamics of competitive parapatry in chewing lice
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Data from: Cross-modal representation of chewing food in posterior parietal and visual cortex
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Data from: Always chew your food: freshwater stingrays use mastication to process tough insect prey
Chewing, characterized by shearing jaw motions and high-crowned molar teeth, is considered an evolutionary innovation that spurred dietary diversification and evolutionary radiation of mammals. Complex prey-processing behaviours have been thought to be lacking in fishes and other vertebrates, despite the fact that many of these animals feed on tough prey, like insects or even grasses. We investigated prey capture and processing in the insect-feeding freshwater stingray Potamotrygon motoro using high-speed videography. We find that Potamotrygon motoro uses asymmetrical motion of the jaws, effectively chewing, to dismantle insect prey. However, CT scanning suggests that this species has simple teeth. These findings suggest that in contrast to mammalian chewing, asymmetrical jaw action is sufficient for mastication in other vertebrates. We also determined that prey capture in these rays occurs through rapid uplift of the pectoral fins, sucking prey beneath the ray's body, thereby dissociating the jaws from a prey capture role. We suggest that the decoupling of prey capture and processing facilitated the evolution of a highly kinetic feeding apparatus in batoid fishes, giving these animals an ability to consume a wide variety of prey, including molluscs, fishes, aquatic insect larvae and crustaceans. We propose Potamotrygon as a model system for understanding evolutionary convergence of prey processing and chewing in vertebrates.
FIGURES 1–4. Myrsidea yoshizawai. 1, Entire dorsoventral male. 2, Male genital sac sclerite. 3, Male genitalia. 4 in Four new species of Myrsidea Waterston chewing lice (Phthiraptera: Menoponidae) from the Malagasy warblers (Passeriformes)
FIGURES 1–4. Myrsidea yoshizawai. 1, Entire dorsoventral male. 2, Male genital sac sclerite. 3, Male genitalia. 4, Female metanotum and dorsoventral abdomen.
FIGURE 12–15. Myrsidea mcleannanii n in Chewing lice (Phthiraptera) from typical antbirds and ground antbirds (Passeriformes: Thamnophilidae, Formicariidae) from Costa Rica, with descriptions of three new species of the genera Formicaphagus and Myrsidea
FIGURE 12–15. Myrsidea mcleannanii n. sp. 12—male genitalia; 13—male genitalia sclerite; M. klimesi n. sp. 14—male genitalia; 15—male genitalia sclerite. Scales 0.10 mm (Figs 12, 14), 0.05 mm (Figs 13, 15).
FIGURE 8–11. Myrsidea mcleannanii n in Chewing lice (Phthiraptera) from typical antbirds and ground antbirds (Passeriformes: Thamnophilidae, Formicariidae) from Costa Rica, with descriptions of three new species of the genera Formicaphagus and Myrsidea
FIGURE 8–11. Myrsidea mcleannanii n. sp. 8—female; 9—prosternal plate; M. klimesi n. sp. 10—female; 11 —prosternal plate. Scales 1 mm (Figs 8, 10), 0.10 mm (Figs 9, 11).
FIGURE 1–4. Formicaphagus tyrannina n in Chewing lice (Phthiraptera) from typical antbirds and ground antbirds (Passeriformes: Thamnophilidae, Formicariidae) from Costa Rica, with descriptions of three new species of the genera Formicaphagus and Myrsidea
FIGURE 1–4. Formicaphagus tyrannina n. sp. 1—male; 2—male genitalia; 3—female; 4—female ventral terminalia; 5—dorsal anterior plate; 6—7 Dorsal anterior plate: 6—F. donpetersi; 7—F. arnoldi. Scales 1 mm (Figs 1, 3), 0.01 mm (Figs 5–7), 0.05 mm (Figs 2, 4).
FIGURES 5–9. Myrsidea larvatae. 5 in Chewing lice (Phthiraptera) from buntings, cardinals and tanagers (Passeriformes: Emberizidae, Cardinalidae, Thraupidae) from Costa Rica, with descriptions of two new species of the genus Myrsidea (Phthiraptera: Menoponidae)
FIGURES 5–9. Myrsidea larvatae. 5, Female dorsoventral metathorax and abdomen. 6, Male genital sac sclerite. 7–9. M. mitrospingi. 7, Male. 8, Male genitalia. 9, Male genitalia sac sclerite.
FIGURES 1–4. Myrsidea poliogasteri. 1 in Chewing lice (Phthiraptera) from buntings, cardinals and tanagers (Passeriformes: Emberizidae, Cardinalidae, Thraupidae) from Costa Rica, with descriptions of two new species of the genus Myrsidea (Phthiraptera: Menoponidae)
FIGURES 1–4. Myrsidea poliogasteri. 1, Female dorsoventral metathorax and abdomen. 2, Male. 3, Male genitalia. 4, Male genital sac sclerite.
FIGURES 3–7 in Chewing lice (Insecta: Phthiraptera) from parrots and parakeets of the genera Cyanoliseus and Enicognathus in Chile and Argentina, with descriptions of a new species
FIGURES 3–7. Paragoniocotes enicognathidis sp. nov. 3 and 4 male left antenna, dorsal and frontal views (arrows indicate lappet-like projection on distal posterior margin of segments III and V), 5 and 6 male external genitalia (5 whole view, dorsal and ventral, arrow shows caudal portion of endomeral complex folded in resting position; 6 photograph of the endomeral complex, arrow shows caudal portion of endomeral complex spread in activity), 7 female vulva and spinelike adjacent setae.
FIGURES 33–34. 33 in Chewing lice of the genus Philopterus (Phthiraptera: Philopteridae) from drongos (Passeriformes: Dicruridae)
FIGURES 33–34. 33—female lectotype of Philopterus trabecula; 34—male holotype of Philopterus petrescuae.
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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)
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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.