BIOL 212 Lecture Notes - Lecture 26: Meninges, Aspirin, Motor System
23 Jul 2020
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Document Summary
Degenerative, slowly progressive deterioration of nerves in brain stem"s motor system. Gradual onset of symptoms such as stooped posture (body flexed forward), bowed head, shuffling gait, pill-rolling gestures, mask like facial appearance. Inflammation of one or more peripheral nerves. Effects are dependent upon the particular nerve involved. Infectious viral disease that affects the ability of spinal cord and brain motor neurons to receive stimulation. Virus enters through the upper respiratory tract. Progressive weakness occurring at least 30 years after the initial poliomyelitis attack. Acute brain encephalopathy along with fatty infiltration of the internal organs that may follow acute viral infections. Occurs in children under the age of 18. Linked to aspirin administration during a viral illness. Acute viral infection characterized by inflammation of the underlying spinal or cranial nerve pathway producing painful, vesicular eruptions on the skin along these nerve pathways. Broken segment of the skull bone thrust into the brain as a result of a direct force.
