'Corticospinal tract' presentation slideshows

School Re-Entry after Traumatic Brain Injury

School Re-Entry after Traumatic Brain Injury. Roger C. Peace Rehabilitation Hospital Anne Bradley, Ph.D Sarah Powell, M.Ed. CCC-SLP. Please click on sound for instructions. Learning Objectives. Understanding TBI Brain Recovery and Development Returning to School

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Brain stem: Nuclei and tracts

Brain stem: Nuclei and tracts. Medulla. Transitional zone between spinal cord and the medulla. Dorsal expansions of gray matter at the level of pyramids decussation, form the gracile and cuneate nuclei.

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1 ? choroid of eyeball

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The Spinal Cord

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Spinal Cord Syndromes

Spinal Cord Syndromes. Resident Rounds April 12, 2007 Juliette Sacks. Anatomy. Spinal cord ends as conus medullaris at level of first lumbar vertebra lumbar and sacral nerve roots exit below this and form the cauda equina. Neuroanatomy. Corticospinal tracts

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DESCENDING TRACTS

DESCENDING TRACTS. Fiber Types. A Fibers: Somatic, myelinated. Alpha ( ? ): Largest, also referred to as Type I. Beta ( ? ): Also referred to as Type II. Gamma ( ? ): Delta ( ? ): Smallest, referred to as Type IV. Fiber Types. B Fibers: Lightly myelinated.

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Human Anatomy & Physiology

Human Anatomy & Physiology. Spinal Cord, Spinal Nerves and Somatic Reflexes Chapter 13 By Abdul Fellah, Ph.D. Spinal Cord, Spinal Nerves and Somatic Reflexes. Spinal cord Spinal nerves Somatic reflexes. Overview of Spinal Cord. Information highway between brain and body

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ALL ABOUT THE SPINAL CHORD

ALL ABOUT THE SPINAL CHORD. Functions of Spinal Cord. Final common pathway for the somatomotor system Conveys somatosensory information from the body Autonomic neurons Reflexes Central pattern generators for rhythmic movements. Sensory vs motor roots.

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Descending Projection Systems and Motor Functions of the Spinal Cord

Descending Projection Systems and Motor Functions of the Spinal Cord. Functional anatomy of motor systems and descending pathways. A. Components of the motor systems of the CNS. B. Organization and function of the descending pathways ( i.e., lateral/medial).

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Descending pathways

Descending pathways. Motor Neurons. Motor neurons are split into two groups: Upper and Lower motor neurons.

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MOTOR CORTEX

Motor cortex, descending tracts (Pyramidal and Extrapyramidal tract)

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CORTICAL MOTOR AREAS & DESCENDING MOTOR TRACTS (PYRAMIDAL & EXTRA PYRAMIDAL SYSTEM)

CORTICAL MOTOR AREAS & DESCENDING MOTOR TRACTS (PYRAMIDAL & EXTRA PYRAMIDAL SYSTEM). Lecture - 6 DR . ZAHOOR ALI SHAIKH. MOTOR. THE WORD MOTOR MEANS M O V E M E N T. MOTOR SYSTEM INCLUDES. MOTOR CORTEX PYRAMIDAL TRACTS CORTICO SPINAL CORTICO BULBAR EXTRA PYRAMIDAL TRACTS

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Spinal cord- 2

Spinal cord- 2. Descending tracts. Upper motor neurons in primary motor cortex. Somatic motor nuclei of brain stem. Skeletal muscle. Lower motor neurons. Somatic motor nuclei of spinal cord. Skeletal muscle.

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Organization of the Motor System

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EXTRAPYRAMIDAL SYSTEM

EXTRAPYRAMIDAL SYSTEM. LECTURE - III. Definition : Tracts other than corticospinal tract are known as Extrapyramidal tract. The word extrapyramidal is slowly being replaced by Corticonuclear & corticobulbar tracts. Components of extrapyramidal system. Basal Ganglia

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ANESTHESIA MONITORING FOR NEUROSURGERY

ANESTHESIA MONITORING FOR NEUROSURGERY. Mark Welliver CRNA, MS Assistant Professor. Cerebral Blood Supply. Circle of Willis. Dorsal Column Pathways & Spinocervical Tracts of Dorsal-Lemniscal system. Sensory signals transmitted via long ascending fiber tracts to thalmus and then cortex.

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MOTOR SYSTEM

MOTOR SYSTEM. MOTOR. THE WORD MOTOR MEANS M O V E M E N T. MOTOR SYSTEM INCLUDES. MOTOR CORTEX PYRAMIDAL TRACTS CORTICO SPINAL CORTICO BULBAR EXTRA PYRAMIDAL TRACTS BASAL GANGLIA CEREBELLUM. Primary (Somatic) Motor Cortex.

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Cerebellum and Basal Ganglia

Cerebellum and Basal Ganglia. David Roman Renner, MD Suzanne Stensaas, PhD 2009 Kenya Curriculum. BG. CBLM. Courtesy of Stephen C. Voron, MD. BG. CBLM. Courtesy of Stephen C. Voron, MD. pyramidal cell in the motor homunculus of the frontal lobe. BG. CBLM.

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Brain stem

Brain stem. The brain stem. Consists of Midbrain Pons Medulla oblongata. 1. 2. 3. Medulla oblongata. Ventral surface Pyramid : contain pyramidal tract (corticospinal tract ) Decussation of pyramid : formed by crossing fibers of corticospinal tract

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EBV delineating the corticospinal tract

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