nervous system

Nervous system

Histology

Nervous System

Central Nervous System
Brain
Spinal cord
Periphral Nervous System
Crainal nerves
Spinal nerves
Ganglia

Development of CNS from EctodermFormation of Neural Tube

Anterograde transport by motor protein (kinesin)

Retrograde transport by (Dynein)

Nissl substance (body)

Synapse = union

Types of synapsis

Types of synapsis

Neuropil: processes of neuron & neuroglia

Oligodendrocyte

Astrocyte
Ependyma
Microglia
Schwan cell
Satellite cell

Blood brain barrier

Astrocyte: 1- Protoplasmic Astrocyte (in Grey matter)2- Fibrous Astrocyte (in White matter)

GFAP(Glial Fibrillary Acid Protein)(neurofilament support the processes)

Ependyma

Cerebellar cortex

Molecular layer
Purkinje layer
Granular layer

Cerebellar cortex: 3 layers

Spinal cord cross section
Grey matter
White matter

Meninges

Choroid plexus: vascularized pia mater covered by ependyma

Sensory & Autonomic Ganglia

Satellite(S) cells around Neuron of Ganglion

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