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 62 for “"ferret"”.
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The Iowa "Tax Ferret" Law
30 leaves
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Sex Differences in Play-Wrestling in the Ferret (Mustela Putorius)
Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs
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Cross-Modal Projections from Auditory to Visual Cortices in the Ferret
… in other higher mammals such as carnivores (ferrets; Mustela putorius). Large injections of sensitive neuroanatomical tracer were placed within the core areas of auditory cortex in 3 ferrets. After transport and processing, labeled axon terminals were found not in primary visual cortex, but …
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Intrinsic Features of the Multisensory Cortical Area LRSS in the Ferret
… study is to examine of local features of the ferret lateral rostral suprasylvian sulcus (LRSS), a multisensory cortex. Immunostaining revealed the cytoarchitectonic features of the LRSS: thick supragranular layers, a narrow layer IV, and moderately stained but differentiated infragranular …
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Influence of the target on development of the ferret retinogeniculate projection
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Brain and Cognitive Sciences, 1991.
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Ecology of the Black-Footed Ferret and the Black-Tailed Prairie Dog
Research involving the black-footed ferret (Mustela nigripes) and black-tailed prairie dog (Cynomys ludovicianus) was conducted during 1968 and 1969. Eighteen prairie dog burrows were excavated in 1968 and 1969. Burrow systems ranged from 13 to 109 feet long and 3 to 14 feet deep. Fifteen of the …
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Life History and Ecology of the Black-Footed Ferret in the Wild
Twenty-one black-footed ferrets (Mustela nigripes) were observed at six different locations in southwest South Dakota between April 1966, and September 1967. All observations were made on black-tailed prairie-dog (Cynomys ludovicianus) towns from 15 to 100 acres in size. Because of the proximity of …
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Gene expression underlying ferret hair growth initiation induced by melatonin and modified by steroids
Synchronised ferret winter pelage development induced by melatonin was utilised as an in vivo model for studying gene expression associated with the hair growth cycle. The effects of melatonin and steroids on hair follicle growth initiation in flank skin samples were monitored by histology and …
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The Role of Glucose -6 -Phosphate Isomerase in Implantation in the Ferret (Mustela Putorius)
… protein. GPI is produced and secreted by ferret CL on days 6--9 of pregnancy in ferrets and is required for embryo implantation. Further study is needed to determine whether prolactin, which is also required for implantation, affects GPI expression by the CL.
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Ultrastructural correlates of axons and synapses belonging to different circuits in ferret primary visual cortex
… (FIBSEM) to analyze layers 3 and 4 of the ferret primary visual cortex neuropil. We analyzed FIBSEM images using AMIRA software, which allowed accurate evaluation of neuronal tissues by generating 3-dimensional reconstructions of axonal processes and their targets from serial individual EM …
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Anatomical analysis of the feedback projections from extrastriate cortex to area 18 in ferret visual cortex
… characterize the cortical inputs to area 18 of ferret visual cerebral cortex. Contrary to feedforward connections, feedback connections are presumed to have a modulatory influence on the responses of lower order neurons providing information already processed. Input from feedback connections can …
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Experimental retinal projections to the Ferret auditory thalamus : morphology, development and effects on auditory cortical organization
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Brain and Cognitive Sciences, 1997.
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Synaptic transmission in the ferret lateral geniculate nucleus in vitro : modulation by membrane voltage and neurotransmitters
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Brain and Cognitive Sciences, 1991.
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Efficacy of Scent Dogs in Detecting Black-Footed Ferrets (Mustela nigripes) at a Reintroduction Site in South Dakota
… fossorial lifestyle of endangered black-footed ferrets (Mustela nigripes) has made studying them difficult for biologists. Due to the nocturnal nature of black-footed ferrets, a limited number of monitoring techniques are available for use by site managers. Initial ferret surveys at the …
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Postnatal development of brainstem cholinergic inputs to the dorsal lateral geniculate nucleus of the domesticated ferret, Mustela putorius furo
The ferret dorsal lateral geniculate nucleus (dLGN) undergoes two periods of retinal afferent segregation during postnatal development. The first establishes the eye-specific laminae, A and A 1, and the second establishes ON/OFF sublaminae within laminae A and At. In contrast to eyespecific …
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Plague on the Prairie : the fight to save black-footed ferrets from the West's most insidious disease
… a single remaining population of black-footed ferrets was discovered in Meeteetse, Wyoming in 1981, scientists had one last chance to save North America's only native ferret from extinction. Though the discovered population numbered over 100 individuals when it was found, ferrets began to die …
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Ontogenetic and comparative aspects of cerebellar and motor development
… For a number of reasons, the postnatal ferret seemed to be a suitable candidate. Although the ferret is commonly used as an experimental model in developmental studies on sensory systems, the development of its motor systems and motor behaviour had not been previously investigated. As a …
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Analyzing Ultrastructural characteristics of Post-synaptic targets of pre-identified Presynaptic Boutons in layer 3 and layer 4 of the Ferret Primary Visual cortex
… of layer 3 and upper and lower layer 4 of the ferret primary visual cortex. In both layers there were more excitatory synapses on dendritic spines than on dendritic shafts. Presynaptic bouton volumes were much larger than their apposed post-synaptic targets in both layers. Layer 4 had the …
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