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Neuro 13 descending tracts student

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The document summarizes different types of nerve fibers and their properties, as well as descending motor tracts in the central nervous system. It describes fiber types based on myelination and diameter. It then discusses the pyramidal and extrapyramidal motor systems, including tracts like the corticospinal, rubrospinal, and reticulospinal tracts. It also provides an overview of the basal ganglia, including components, circuits, and the role of dopamine.

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DESCENDING TRACTS
Fiber Types ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Fiber Types ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Fiber Types ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Fiber Types ,[object Object]
Generalizations: Motor Paths ,[object Object],[object Object],[object Object],[object Object]
Upper Motor Neurons ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Lower Motor Neurons ,[object Object],[object Object],[object Object],[object Object],[object Object]
UMN Classification ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Pyramidal System ,[object Object],[object Object],[object Object],[object Object],[object Object]
Pyramidal System ,[object Object],[object Object],[object Object]
Corticospinal Tract Divisions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Corticospinal Tract Functions ,[object Object],[object Object],[object Object],[object Object]
Corticospinal Tract Lesions ,[object Object],[object Object],[object Object],[object Object],[object Object]
Corticobulbar Tract ,[object Object],[object Object],[object Object],[object Object],[object Object]
Extrapyramidal System ,[object Object],[object Object],[object Object],[object Object],[object Object]
Rubrospinal Tract ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Vestibulospinal Tract ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Reticulospinal Tract ,[object Object],[object Object],[object Object]
BASAL NUCLEI
Basal Ganglia Functions ,[object Object],[object Object],[object Object],[object Object]
Basal Ganglia Functions ,[object Object],[object Object],[object Object],[object Object]
Basal Ganglia Functions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Basal Nuclei Components ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Corpus Striatum ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Corpus Striatum Corpus Striatum (Telencephalon) Striatum Pallidum Caudate Nucleus Putamen Globus Pallidus
Substantia Nigra Subdivisions ,[object Object],[object Object],[object Object],[object Object],[object Object]
Substantial Nigra Substantia Nigra Mesencephalon Dorsal Pars compacta Ventral Pars reticularis Melanin containing neurons Dopaminergic neurons Iron-containing glial cells Serotonin and GABA
Input Nuclei ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Input Nuclei ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Output Nuclei ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
General Core Circuit ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Thalamic Fasciculi ,[object Object],[object Object],[object Object],[object Object]
Thalamic Fasciculi ,[object Object],[object Object],[object Object],[object Object]
Dopamine Neuronal System ,[object Object],[object Object],[object Object],[object Object]
Direct Basal Ganglia Circuit ,[object Object],[object Object],[object Object],[object Object]
Basal Ganglia Connections Red = excitatory; Black = Inhibitory Motor areas of cerebral cortex Ventrolateral thalamus Putamen Globus pallidus externus Output nuclei Subthalamic nuclei Substantia nigra compacta Lateral Activation pathways Pedunculo- Pontine nuclei Reticulospinal and Vestibulospinal pathways
Direct Basal Ganglia Circuit ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Direct Basal Ganglia Circuit ,[object Object],[object Object]
Indirect Basal Ganglia Circuit ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Indirect Basal Ganglia Circuit ,[object Object],[object Object],[object Object],[object Object]
Indirect Basal Ganglia Circuit ,[object Object],[object Object],[object Object]
Input from Substantia Nigra Compacta ,[object Object],[object Object],[object Object],[object Object],[object Object]

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Neuro 13 descending tracts student

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  • 26. Corpus Striatum Corpus Striatum (Telencephalon) Striatum Pallidum Caudate Nucleus Putamen Globus Pallidus
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  • 28. Substantial Nigra Substantia Nigra Mesencephalon Dorsal Pars compacta Ventral Pars reticularis Melanin containing neurons Dopaminergic neurons Iron-containing glial cells Serotonin and GABA
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  • 37. Basal Ganglia Connections Red = excitatory; Black = Inhibitory Motor areas of cerebral cortex Ventrolateral thalamus Putamen Globus pallidus externus Output nuclei Subthalamic nuclei Substantia nigra compacta Lateral Activation pathways Pedunculo- Pontine nuclei Reticulospinal and Vestibulospinal pathways
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