RIU 330 Lecture Notes - Lecture 72: Immunoglobulin G, Occipital Lobe, Streptococcus
10 Nov 2020
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Deep parts of brain: basal ganglia, thalamus, hypothalamus. Frontal lobe: motor functions, behavior, emotions, higher intellectual functions. Integration of sensory impulses from spinal cord, vestibular organ; motor impulses from cerebral cortex. Cns protected from mechanical injury by skull, vertebrae. Cns separated from body by meninges, blood-brain barrier. Glial cells: facultative, mitotic (labile), capable of dividing. Cns affected by diseases unique to cns but also diseases affecting other organs. Symptoms of diseases result from dysfunction or loss of function of neurons. Anencephaly, dysraphic disorders (e. g. , meningocele, myelomeningocele, spina bifida) Nonspecific symptoms (e. g. , headache) caused by increased intracranial pressure. Located between arachnoid and pia layer of meninges. Common complication of head trauma, gunshot wounds. Clinical presentation like stroke (e. g. , contralateral hemiplegia, sensory loss, global aphasia, drowsiness, stupor, coma) Clinical features possibly resembling those of cerebral infarction. Measles virus, rubella, adenovirus, herpesvirus, cytomegalovirus, rabies virus. Women affected twice as often as men. Igg in csf composed of oligoclonal bands.
