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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 ...
Fetal pig brain situated in the cranium. The anatomy of a fetal pig is similar to that of the adult pig in various aspects. Systems that are similar include the nervous, skeletal, respiratory (neglecting the under developed diaphragm), and muscular. Other important body systems have significant differences from the adult pig.
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]
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.
Dissection showing the ventricles of the brain. (Interthalamic adhesion labeled as Massa Intermedia at center right.) Coronal section of brain through intermediate mass of third ventricle .
A breakthrough brain implant has enabled a 69-year-old man with paralysis to fly a virtual drone using just his mind.. The surgical implant could help detect and decode the fingers that the ...
The middle cerebellar peduncle is the largest of the three cerebellar peduncles. It connects the pons and cerebellum.It consists almost entirely of fibers passing from the pons to the cerebellum (fibrocerebellar fibers); the fibers arise from the pontine nuclei and decussate within the pons before entering the peduncle [1] to end in the contralateral cerebellar hemisphere.