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