Cross-Sectional Anatomy of the Human Brain and Spinal Cord

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Presentation transcript:

Cross-Sectional Anatomy of the Human Brain and Spinal Cord Dr. G.C.Gaik Department of Anatomical Sciences

CHECK YOUR NOLTE TEXTBOOK, ATLAS, AND STUDY GUIDE FOR FURTHER PICTURES AND INFORMATION ON THE INTERNAL ORGANIZATION OF THE CENTRAL NERVOUS SYSTEM !!!!!

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SPINAL CORD 1 Fasciculus cuneatus Substantia Gelatinosa Lateral funiculus Ventral horn gray matter Ventral funiculus

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SPINAL CORD 2 A. Dorsal root B. Nucleus proprius C. Gray commissure D. Ventral rootlets

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MEDULLA Caudaul 1 A. Nucleus gracilis B. Fasciculus cuneatus C. Nucleus cuneatus D. Spinal trigeminal nucleus E. Internal arcuate fibers F. Medial lemniscus Decussation G. pyramids

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MEDULLA 2 middle A. Nucleus Cuneatus B. Internal Arcuate fibers C. Medial Lemniscus D. Inferior Olivary Nucleus

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MEDULLA 3 Rostral A. Nucleus Solitaris B. Hypoglossal nucleus C. Inferior cerebellar peduncle D. Olivocerebellar fibers E. Medial leminscus F. pyramids

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MEDULLA 4 A. Vermis B. Dentate nucleus C. Middle cerebellar peduncle D. Fourth ventricle E. Inferior cerebellar peduncle

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PONS A. Trochlear nerve IV B. Central gray substance C. Medial longitudinal fasciculus D. Medial lemniscus E. Pontine nuclei F. Corticospinal tract

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MIDBRAIN 1 A. Inferior colliculus B. Trochlear nucleus C. Decussation of superior cerebellar peduncles D. Substantia nigra E. Crus cerebri (basis pedunculi)

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MIDBRAIN 2 A. Superior colliculus B. Cerebral aqueduct of sylvius C. Medial geniculate nucleus D. Oculomotor III nuclear complex E. Red nucleus F. Substantia nigra

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MIDBRAIN 3 A. Pulvinar B. Medial geniculate nucleus C. Lateral geniculate nucleus D. Red nucleus E. Interpeduncular fossa F. Mammillary body G. Optic tract H. Optic chiasma

Junction of Midbrain and Diencephalon IDENTIFY ALL OF THE NUMBERED STRUCTURES 2 1 4 3 7 6 5 8 9 10 11 Junction of Midbrain and Diencephalon

Junction of Midbrain and Diencephalon IDENTIFY ALL OF THE NUMBERED STRUCTURES 2 1 4 3 7 6 5 8 Corpus Callosum Fornix Pineal body Thalamus Lateral geniculate body Cerebral aqueduct of sylvius Periaqueductal gray Oculomotor nuclear complex Substania nigra Crus cerebri, basis pedunculi, cerebral peduncle CN III (oculomotor) 9 10 11 Junction of Midbrain and Diencephalon

IDENTIFY ALL OF THE NUMBERED STRUCTURES

IDENTIFY ALL OF THE NUMBERED STRUCTURES Fornix Stria medullaris thalamus 3rd ventricle Thalamus medial Thalamus lateral Internal medullary lamina Interthalamic adhesion, massa intermedia Hypothalamic sulcus Hypothalamus Mamillary body Subthalamic area Subthalamic nucleus Optic tract Globus pallidus putamen IDENTIFY ALL OF THE NUMBERED STRUCTURES

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