Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 548 for “"Rodents"”.
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Microtine Rodents of Kittitas County, Washington
It is the purpose of this study to determine the taxonomy, distribution, and ecology of four species of the genus Microtus and one species of the genus Lagurus found in Kittitas County. The species of Microtus are: Microtus montanus, Montane vole; Microtus oregoni, Creeping Vole; Microtus …
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An Examination of Affective Blunting in Rodents
<p>Major Depressive Disorder (MDD) is the leading cause of disability worldwide. The prevalence of MDD is 12% in men and 20% in women. Antidepressant drugs are the first line of treatment in Major Depressive Disorder and other mood disorders, particularly selective-serotonin reuptake inhibitors. …
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Chromosomal Evolution Among North American Microtine Rodents
… New World and one species of Old World microtine rodents were carried out. Species belonged to eight different genera and included 14 species of Microtus. Three differential staining procedures were utilized: C-banding, G-banding, and silver staining. Results of the C-banding analyses indicated …
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The Forelimb Architecture of Some Fossorial Rodents
Made available in DSpace on 2014-12-04T22:46:15Z (GMT). No. of bitstreams: 1 6200639.pdf: 4416101 bytes, checksum: 7db93da24c6c68100da288c39a3d2499 (MD5) Previous issue date: 1961
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Neurodegeneration and behavior in rodents treated with chronic methamphetamine
Thirty million people globally used amphetamine-type stimulants in 2022; while in the United States, 2.7 million people over the age of twelve reported using methamphetamine (meth) that same year. Meth is a powerful psychostimulant with a high propensity for abuse. The number of people using meth …
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Modeling Gait Muscle-Reflexes Through Hindlimb Characterization in Rodents
… through experimental limb characterization in rodents. We designed and implemented an animal skin port with multiple electrodes to measure the electromyography, muscle fascicle length, and muscle force. We conducted rat surgeries that implanted this skin port, and used the device to collect in …
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Sensory and Hypothalamic Control of Lordosis Behavior in Female Rodents
<p>When applied during the sustained lordosis response of female hamsters, gentle probing at points on the perineal surface elicited stereotyped rump and tail movements. The rump movements always served to rapidly center the vaginal opening beneath the continuing stimulation. Tail deflections were …
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Biophysical model of core & matrix thalamocortical circuitry in rodents & primates
… of the circuit is not the same across rodents and primates. While the role of the corticothalamic system in sleep spindle generation is well established, the individual role of the core and matrix is not well understood in rodents and primates. Therefore, we created both a rodent and …
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Differences in cache placement and pilferage by desert rodents (Family: Heteromyidae)
Desert rodents in the family Heteromyidae cache seeds throughout their home ranges either concentrated in one location (larder hoard) or in multiple, small seed piles (scatter hoards). In order to maintain seed resources and minimize cache pilferage (removal by other rodents), heteromyid species …
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Habitat use and responses to odours by rodents in New Zealand
… regulate the occurrence and interactions of rodents in New Zealand have not been identified and are poorly understood. A combination of laboratory and field studies was used to examine the interactions between rodents, especially the role that odours play in regulating interspecific …
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From fMRI to fUSI: advancing large-scale brain mapping in rodents
… unclear whether fUSI can map distributed RSNs in rodents in a manner comparable to fMRI. Establishing this correspondence is essential to validate fUSI as a tool for systems-level neuroscience. To fill this methodological gap, in the present work I established a robust protocol for mapping …
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Characterization of the Mechanism of PPARγ-Mediated Neointima Formation in Rodents
<p>Lysophosphatidic acid (LPA) and its ether analog alkyl glycerophosphate (AGP) elicit arterial wall remodeling when applied intralumenally into the uninjured carotid artery. LPA is the ligand of eight GPCRs and the peroxisome proliferator-activated receptor γ (PPARγ). We pursued a gene knockout …
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Neurochemical Measurements in Rodents that Model Huntingtion's Disease and Oxidative Stress
… dopamine in genetically and chemically altered rodents that model HD. Genetic HD model mice and rats (R6/1 mice, R/2 mice, and HDtg rats) showed an age-dependent decrease in dopamine release in the dorsolateral caudate putamen. A similar decrease is not seen in 3-nitropropionic (3NP)-treated …
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The Interaction of Arvicoline Rodents and Sheep in Norwegian Alpine Rangeland
… to evaluate the impact of sheep, arvicoline rodents, and fertilization on rangeland in the alpine zone in Hessdalen, central Norway. I established 5 replicated experimental treatment combinations with exclosures and fertilization from which I collected samples of 4 species of common forage …
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Analysis of D-amino acid-containing neuropeptides in mollusks and rodents
… pioneering work, to nervous system structures in rodents.
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Rodents and Restionaceae : sex-specific plant-animal interactions in dioecious plants
Differing plant canopy structures between the sexes of the dioecious Cannomois congesta (Restionaceae) were found to be the result of the destructive pre-dispersal seed predation methods used by the four-striped grass mouse (Rhabdomys). Mature, reproductive culms on female plants were felled down …
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