Practical Neuroanatomy Lecture 2 Christine Hulette MD CORTICOSPINAL TRACT CORTICOBULBAR TRACT...

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Practical Neuroanatomy Practical Neuroanatomy Lecture 2 Lecture 2 Christine Hulette MD Christine Hulette MD CORTICOSPINAL TRACT CORTICOSPINAL TRACT CORTICOBULBAR TRACT CORTICOBULBAR TRACT EXTRAPYRAMIDAL SYSTEM EXTRAPYRAMIDAL SYSTEM VESTIBULAR SYSTEM VESTIBULAR SYSTEM CEREBELLUM CEREBELLUM AUTONOMIC NERVOUS SYSTEM AUTONOMIC NERVOUS SYSTEM

Transcript of Practical Neuroanatomy Lecture 2 Christine Hulette MD CORTICOSPINAL TRACT CORTICOBULBAR TRACT...

Page 1: Practical Neuroanatomy Lecture 2 Christine Hulette MD CORTICOSPINAL TRACT CORTICOBULBAR TRACT EXTRAPYRAMIDAL SYSTEM VESTIBULAR SYSTEM CEREBELLUM AUTONOMIC.

Practical NeuroanatomyPractical NeuroanatomyLecture 2 Lecture 2

Christine Hulette MDChristine Hulette MD

Practical NeuroanatomyPractical NeuroanatomyLecture 2 Lecture 2

Christine Hulette MDChristine Hulette MD

CORTICOSPINAL TRACTCORTICOSPINAL TRACTCORTICOBULBAR TRACTCORTICOBULBAR TRACT

EXTRAPYRAMIDAL SYSTEMEXTRAPYRAMIDAL SYSTEMVESTIBULAR SYSTEMVESTIBULAR SYSTEM

CEREBELLUMCEREBELLUMAUTONOMIC NERVOUS SYSTEMAUTONOMIC NERVOUS SYSTEM

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CORTICOSPINAL TRACTCORTICOSPINAL TRACTCORTICOSPINAL TRACTCORTICOSPINAL TRACT

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Alberts B, Bray D, Lewis J, et al. 1994Alberts B, Bray D, Lewis J, et al. 1994Alberts B, Bray D, Lewis J, et al. 1994Alberts B, Bray D, Lewis J, et al. 1994

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Barr 1979Barr 1979Barr 1979Barr 1979

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England and Wakely 1991England and Wakely 1991England and Wakely 1991England and Wakely 1991

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CORTICOBULBAR TRACTCORTICOBULBAR TRACTCORTICOBULBAR TRACTCORTICOBULBAR TRACT

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Barr 1979Barr 1979Barr 1979Barr 1979

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EXTRAPYRAMIDAL MOTOR EXTRAPYRAMIDAL MOTOR SYSTEMSYSTEM

EXTRAPYRAMIDAL MOTOR EXTRAPYRAMIDAL MOTOR SYSTEMSYSTEM

Substantia nigraSubstantia nigra

Basal GangliaBasal Ganglia

Subthalamic nucleusSubthalamic nucleus

Red nucleusRed nucleus

ThalamusThalamus

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England and Wakely 1991England and Wakely 1991England and Wakely 1991England and Wakely 1991

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Barr 1979Barr 1979Barr 1979Barr 1979

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www.ncbi.nlm.nih.gov/bookshelf/www.ncbi.nlm.nih.gov/bookshelf/ www.ncbi.nlm.nih.gov/bookshelf/www.ncbi.nlm.nih.gov/bookshelf/

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VESTIBULAR SYSTEM TRACTSVESTIBULAR SYSTEM TRACTSVESTIBULAR SYSTEM TRACTSVESTIBULAR SYSTEM TRACTS

Lateral vestibulospinalLateral vestibulospinal

VestibuloocularVestibuloocular

VestibulocorticalVestibulocortical

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Gertz 1991Gertz 1991Gertz 1991Gertz 1991

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CEREBELLUMCEREBELLUMCEREBELLUMCEREBELLUM

Spinocerebellar tractSpinocerebellar tract

Vestibulospinal tractVestibulospinal tract

Corticopontocerebellar tractCorticopontocerebellar tract

Dentatorubrothalamic tractDentatorubrothalamic tractCoordinates muscle activity, equilibrium and tone

Tracts are uncrossed

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AUTONOMIC NERVOUS AUTONOMIC NERVOUS SYSTEMSYSTEM

AUTONOMIC NERVOUS AUTONOMIC NERVOUS SYSTEMSYSTEM

SympatheticSympathetic

ParasympatheticParasympathetic

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SYMPATHETIC NERVOUS SYSTEMSYMPATHETIC NERVOUS SYSTEMSYMPATHETIC NERVOUS SYSTEMSYMPATHETIC NERVOUS SYSTEM

Fight or flightFight or flight

T1-L3 lateral gray of spinal cordT1-L3 lateral gray of spinal cord

NoradrenalineNoradrenaline

Increases heart rate, respiration, dilate Increases heart rate, respiration, dilate pupilspupils

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Alberts B, Bray D, Lewis J, et al.Alberts B, Bray D, Lewis J, et al. 19941994Alberts B, Bray D, Lewis J, et al.Alberts B, Bray D, Lewis J, et al. 19941994

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PARASYMPATHETIC NERVOUS PARASYMPATHETIC NERVOUS SYSTEMSYSTEM

PARASYMPATHETIC NERVOUS PARASYMPATHETIC NERVOUS SYSTEMSYSTEM

Basal metabolismBasal metabolism

Brainstem, cervical and sacral spinal Brainstem, cervical and sacral spinal cordcord

Slows heart rate, respiration, constricts Slows heart rate, respiration, constricts pupilspupils

AcetylcholineAcetylcholine

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Ross, Romrell and Kaye 1999Ross, Romrell and Kaye 1999Ross, Romrell and Kaye 1999Ross, Romrell and Kaye 1999