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1-Gray’s anatomy 2-Human nervous system Noback 3- Basic clinical neuroanatomy
Young 4- Head and neck anatomy
Berkovitz 5- clinical neuroanatomy Snell
Anatomical division of nervous Anatomical division of nervous systemsystem
1- CNS brain and spinal cord1- CNS brain and spinal cord
2- PNS peripheral nerves2- PNS peripheral nerves
ganglionsganglions
receptorsreceptors
Cells in this system
1- neuron
2-neuroglia A- Central neuroglia Macroglia (astrocyte,oligodendrocyte) Microglia Ependymal cells B- Peripheral neuroglia Schwann cells Satellite cells
Specialist cellSpecialist cell
1- produce action potential1- produce action potential
2- convey2- convey
central neurogliacentral neuroglia
Macroglia (astrocyte,oligodendrocyte)Macroglia (astrocyte,oligodendrocyte) MicrogliaMicroglia Ependymal cellsEpendymal cells
Peripheral neurogliaPeripheral neuroglia
1- schwann cell1- schwann cell 2- satellite cell2- satellite cell
Three points about division of Three points about division of neural tube cellsneural tube cells
1- Synchronise formation of neuronal 1- Synchronise formation of neuronal and glial cells.and glial cells.
2- Continuous of glial division after 2- Continuous of glial division after stopping of neuronal cell division.stopping of neuronal cell division.
3- Early formation of large neuron in 3- Early formation of large neuron in
comparison with small neuron.comparison with small neuron.
پوشاننده الیه ایی حاشیه اپاندیمی الیه الیه
Formation of three layers in the thickness ofFormation of three layers in the thickness of NEURAL TUBE NEURAL TUBE
Neuronal cell migrationNeuronal cell migration
1- Gene activation1- Gene activation 2- Epigenetic signals 2- Epigenetic signals
(mechanical or contact guidance)(mechanical or contact guidance)
Neuronal cell aggregationNeuronal cell aggregation
Morphological appearanceMorphological appearance
NCAMs (nerve cell adhesion molecules)NCAMs (nerve cell adhesion molecules)
N cadherinN cadherin
Neuroblast differentiationNeuroblast differentiation
Apolar neuroblastApolar neuroblast Bipolar neuroblastBipolar neuroblast Unipolar neuroblastUnipolar neuroblast Multipolar neuroblastMultipolar neuroblast
Neuroblast differentiationNeuroblast differentiation
Neurotrophic FactorsNeurotrophic Factors
1- NGFs ( Nerve Growth Factors)1- NGFs ( Nerve Growth Factors) 2- Outgrowth Promoting proteins2- Outgrowth Promoting proteins
( Laminin, Netrin, Fibronectin)( Laminin, Netrin, Fibronectin)
3-NCAMs 3-NCAMs
Cell Programmed DeathCell Programmed Death
ApoptosisApoptosis 30 to 60 percent of cells survive30 to 60 percent of cells survive
Effects of Experience and Effects of Experience and Activation on neuronsActivation on neurons
Structural PlasticityStructural Plasticity Axonal sproutingAxonal sprouting Changes in the number of Changes in the number of
Dendritic SpinesDendritic Spines
Amblyopia DiseaseAmblyopia Disease
Formation of brain and spinal Formation of brain and spinal cordcord
1- Primary vesicles 1- Primary vesicles 2- Flexures2- Flexures
Formation of brain and spinal Formation of brain and spinal cordcord
1- secondary vesicles 1- secondary vesicles
Ventricular spaces and central canal 1-Telencephalon------ lateral ventricals1&2 2-Diencephalon-------third ventricle 3-Mesencephalon----cerebral aqueduct 4- Rhombencephalon--- forth ventricle 5-Spinal cord----- central canal 6- in the end of spinal cord----- terminal
ventricle Monro Foramen(interventricular F)
Neural Tube Defects (NTDs)
1- Cranial Bifida Cranial Meningocele Meningoencephalocele Meningohydroencephalocele Anencephaly