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The vaccine was made using formalin-treated sheep brain tissue unknowingly contaminated with scrapie agent. [44] Subsequent investigations showed that intracerebral inoculation of brain and spinal cord tissue from scrapie-infected sheep led to scrapie development in 60% of inoculated sheep, suggesting the presence of a filtrable virus as the ...
Graeme B. Martin is an Australian agricultural scientist and academic known for his contributions to animal science, reproductive biology, and sustainable agriculture. [1]He is a professor emeritus at UWA's School of Agriculture and Environment and was awarded the 2021 Marshall Medal by the UK-based Society for Reproduction and Fertility.
The external capsule is a series of white matter fiber tracts in the brain.These fibers run between the most lateral (toward the side of the head) segment of the lentiform nucleus (more specifically the putamen) and the claustrum.
Essentially, the fissure's purpose is to separate the brain into two hemispheres, left and right. Through case studies of brain damage or stroke to either side of each hemisphere, there is evidence that the left side of the brain controls the right side of the body, and the right side controlling the left side of the body. [14]
The interthalamic adhesion (also known as the massa intermedia, intermediate mass or middle commissure) is a flattened band of tissue that connects both parts of the thalamus at their medial surfaces.
However, feed concentrates given to ruminants, specifically sheep and cattle, are often heavily stocked with thiaminases. The presence of thiaminases counter the production of thiamine by breaking them down, resulting in a futile cycle between rumen microbes and thiaminases. Eventually, when the rate of synthesis production can not exceed ...
Evidence from subcortical small infarcts suggests that motor fibers are somatotopically arranged in the human corona radiata. Following subtotal brain damage, localization of the corticofugal projection in the corona radiata and internal capsule can assist in evaluating a patient's residual motor capacity and predicting their potential for functional restitution.
In neuroanatomy, a sulcus (Latin: "furrow"; pl.: sulci) is a shallow depression or groove in the cerebral cortex.One or more sulci surround a gyrus (pl. gyri), a ridge on the surface of the cortex, creating the characteristic folded appearance of the brain in humans and most other mammals.