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Augustine DiGiovanna, Ph.D.
Fig. 6.1 The nervous system.
Fig. 6.2 Neuron structure
Fig. 6.3 Neuron functioning
Fig. 6.4 Reflex pathways involving skeletal muscles.
Fig. 6.5 A conscious sensory pathway.
Fig. 6.6 A somatic (voluntary) motor pathway.
Fig. 6.7 Structure of aging brain
Fig. 6.8 Regions of the brain.
Fig. 6.9 Blood vessels that supply the brain.
Fig. 6.10 Strokes
Fig. 6.11 Alzeihmer’s disease
“In the Alzheimer’s affected brain, abnormal levels of the beta-amyloid protein clump together to form plaques (seen in brown) that collect between neurons and disrupt cell function. Abnormal collections of the tau protein accumulate and form tangles (seen in blue) within neurons, harming synaptic communication between nerve cells.”
Beta-Amyloid Plaques and Tau in the Brain
Fig. 6.12 Basal ganglia
Fig. 6.13 Microscopic views of Lewy bodies
Copyright 2020: Augustine G. DiGiovanna, Ph.D., Salisbury University, Maryland
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Previous print editions of the text Human Aging: Biological Perspectives are © Copyright 2000, 1994 by The McGraw-Hill Companies, Inc. and 2020 by Augustine DiGiovanna.