Central Nervous System Histology Slide Orientation.
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Transcript of Central Nervous System Histology Slide Orientation.
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Central Nervous System Histology Slide Orientation
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Spinal cord
Dorsal horns: InterneuronsVentral horns: Motor neurons Lateral horns: Sympathetic neurons Parasympathetic (S2-4) neuronsDRG: Sensory (pseudounipolar) neuronsAutonomic ganglia: Post ganglionic neurons with unmyelinated axons. Sympathetic: paravertebral ganglia Parasympathetic: In organs
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65-2 Lumbar Spinal Cord, H&E
D.R.G.
Spinal Cord
Dura mater
Myelinated nerves
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#65-1N Spinal cord and DRG
Ventral horn
Lateral horn
Dorsal horn
Dorsal root ganglion (DRG)
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66a Thoracic Spinal Cord
Ventral median fissure
Dorsal horn
Lateral horn
Ventral horn
Dorsal median sulcus
Dorsal nucleus of
Clarke(proprioceptive
)
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66a Thoracic Spinal Cord
Neurons in Lateral Horn
Neurons in ventral Horn
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65-1N Motor neurons, glial cells and neuropil
Glial cells
Neuropil
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Dorsal root ganglion cells
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#74 Sympathetic ganglion cells #75 Parasympathetic ganglion cells
Seminal vesicle
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Sensory and Autonomic Neurons (DRG) (Parasympathetic)
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Cerebrum
Sulcus (sulci) Gyrus (gyri)
Cerebellum
Pons Medulla oblongata
3rd ventricle
4th ventricle
Brain
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Cerebrum and Cerebellum
76b
77
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#77 Cerebellum #76b Cerebrum
W WW
CC
C
W
C: Cortex of gray matter W: White
matter
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#77 Cerebellum
Cortex
White matter
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#77 Cerebellum
WM
GL
ML
Purkinje neurons (cells)
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#77a Cerebellar Cortex
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#76 Cerebrum
Wh
ite m
atte
rW
hite
matte
r
CORTEX OF GRAY MATTER
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#76
Ross and Pawlina, p.311
Cereb
ral cortex
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Cerebellum Cerebrum
CC
W
W
Purkinje cells (neurons)
Pyramidal cells (neurons)
C: Cortex of gray matter W: White matter
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Hippocampal Formation
Lateral View Posterior View
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LIMBIC LOBE (Cortical Areas) Cortex Type
Cingulate gyrus & Isthmus Neocortex (six layers)
Subcallosal area
Parahippocampal Gyrus Paleocortex (3-5 layers)
Uncus
Hippocampus Archicortex (3 layers)
(Deep within parahippocampal gyrus)
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Hippocampal Formation Dentate GyrusHippocampus
Subiculum
Martin: NeuroanatomyFigs. 15-3, 4, 14
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#NP004N Hippocampal regionCA: Cornus ammonis
CA1
CA3
CA2
Dentate gyrusHippocamp
us
Choroid plexus
Subiculum
Lateral ventricl
e
Fornix
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3 layers of Dentate gyrusArchicortex (3 layers), as opposed to Neocortex (6 layers)
Mol
ecul
ar
laye
r
Granule cell layer (neurons)
Polymorphic layer Polymorphic layer (interneurons)
Molecular layer (dendrites of granule cells)
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3 layers of Hippocampus(Archicortex)
Molecular
layer
Pyramidal cell layer
Polymorphic layer
Pyramidal cells