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There are numerous discrepancies within the literature concerning the sources of spinovestibular fibers and their distribution in the vestibular complex. Sources of afferents from all spinal levels were sought using the retrograde transport of wheat germ agglutinin conjugated to horseradish peroxidase. Following injections of this tracer in all portions of(More)
OBJECTIVE To determine the survival time of Mycobacterium avium subsp paratuberculosis in amitraz-based cattle dip fluid derived from an active dip site in northern New South Wales. PROCEDURE Following inoculation of triplicate 5 L containers with faeces (0.5 g/L) from a clinical case of bovine paratuberculosis, samples collected up to 8 weeks after(More)
In view of the recognized role of the superior colliculus (SC) in eye and head movement, and following recent physiological studies, the presence of afferents to the SC from the vestibular complex and adjacent cellular groups were sought using axonal transport techniques. Injections of wheat germ agglutinin conjugated to horseradish peroxidase (WGA-HRP)(More)
The distribution of cells in the rostral medial mesencephalon and caudal diencephalon which project to the vestibular complex was mapped in the cat by using retrograde axonal transport of wheat germ agglutinin conjugated to horseradish peroxidase (WGA-HRP). Subsequent experiments using anterograde transport of WGA-HRP clarified the position of the(More)
Intracranial self-stimulation (ICSS) was obtained from 3 areas of anteromedial cortex: the prelimbic area (Brodman's area 32), the anterior cingulate area and the posterior cingulate area. Electrical stimulation in the prelimbic and anterior cingulate areas also produces a behavioral inhibition which is most pronounced at anterior sites (i.e. prelimbic) and(More)
Distributions of neurons located in the central rostral mesencephalon and caudal diencephalon that project to the upper cervical spinal cord, vestibular nuclei, or inferior olive were studied in the cat by using retrograde axonal transport of wheat germ agglutinin conjugated to horseradish peroxidase (WGA-HRP). Afferent sources to all of these targets were(More)
Phaseolus vulgaris leucoagglutinin (PHA-L) immunohistochemistry was used to describe the corticofugal projections of the anteromedial cortex (AMC) of rats. PHA-L was injected iontophoretically into an area of the AMC which, when stimulated electrically, is known to induce contraversive head and body movements. It was found that the AMC innervates the(More)
BACKGROUND Spontaneous coronary artery dissection is a rare cause of myocardial infarction that must always be considered on a clinician's differential diagnosis, particularly in patients <50-years old with a paucity of typical vascular risk factors. CASE PRESENTATION We describe a case of a 33-year-old white woman, 3 weeks postpartum, presenting with(More)
The purpose of using the term the ‘actor’s brain’ was to identify what I hoped would be captured and characterized over the course of the text: namely, those conditions (anatomical, physiological, psychological, etc.) which must pertain within the nervous system of a human being in order for them to be seen to be performing, what appear to be, ‘purposeful’(More)
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