Please enable JavaScript.

Coggle requires JavaScript to display documents.

(Grey matter vs white matter (Both (Glial cells), White Matter (CNS…

- - - - Relatively few Neuron Cell Bodies
        
        Myelinated Axons
        
        Transfer signals between regions
  - - - High proportion neuron cell bodies
        
        Relatively few Myelinated Axons
        
        Unmyelinated axons
        
        Synapses
        
        Capillaries
- - - - Grey/White matter
        Haematopoietic Stem Cell Origin
        
        Immunlogical
        Macrophage
        Phaocytic
    - - White matter
        
        Myelination axons of CNS neurons
        Inhibit axonal growth
    - - Grey/White matter
        Small stellate cells
        
        Structural + supportive framework neuronal cells + caps
        Neurotrasnmitter uptake + release
        Ion homeostasis
        Ca2+ wave propagation
        Neuronal guidance
        Neurogensis
        Antigen presentation
    - - Ventricular zone neural tube
        HISTOLOGY
        
        Ciliated epithelial like lining of ventricles + spinal cord central canal (Ependymocytes)
        
        With astrocytes: barrier keeping CSF from neuronal environment
        
        Spinal Cerebral fluid production (choroid plexus)/absorption/ regulation (to from blood: tanycytes) + circulation
    - - Pituicytes
        
        Posterior pituitary
        
        Glail cells posterior pituitary
      - Enteric glial cells
        
        Enteric ganglia in myenteric and submucosal plexuses of ENS
      - Radial glia
        
        Bipolar cells developing cortex
        
        Bipolar cells
        
        Span developing cortex
        
        Give rise to: neurons, astrocytes, oligodendrocytes + axon guidance
- - - - Bipolar
        
        Axon + single dendrite on opposite ends of soma
        ---O----
      - Unipolar/pseudounipolar
        
        Dendrite + axon from same process
      - Multipolar
        
        2+ dendrites: separate from axon
        -------O
      - Dendrites branch from body
        
        Golgi 2
        
        Neurons axonal process projects locally
        Granule cell
        
        Anaxonic
        
        Axon cannot be distinguished from dentrites
        
        Golgi 1
        
        Neurons long projecting axonal processes
        Pyramidal cells, purkinje cells, and anterior horn
- - - - 1 Oligodendrocyte per 3-50 nerve fibres (axons)
        
        Each Oligodendrocyte may surround other fibres without forming myelin sheaths
  - - - 1 Schwaan cell per axon
        
        1 Schwaan cell per internode