SYSTEMA NERVOSUM (NERVOUS SYSTEM)

This is an old revision of the document!

ANATOMICAL TERMINOLOGY : Nervous-system

Communication network , nervous system , Encephalon (Brain)
- Globe , cerebrum, sphere
  - hemispheres , cerebral hemispheres , prosencephalon , forebrain
    - outer zone , cerebral cortex , telencephalon
      - sulci and gyrus
        
        lobes
        
        frontal , parietal , temporal , occipital
        
        limbic lobes
    - Inner
      - subcortical nuclei
        
        Diencephalon
        
        thalamus
        
        epithalamus
        
        metathalamus
        
        hypothalamus
        
        Basal ganglia
Stem ,BRAIN STEM , pillar ,
- More particular
  - MESENCEPHALON; MIDBRAIN
  - RHOMBENCEPHALON; HINDBRAIN
    - Metencephalon;
      - Pons
      - Cerebellum
    - Myelencephalon; medulla oblongata; bulb
- More general
  - nuclei , grey matter ,
    - cranial nerve nuclei
  - nerve fibers , white matter ,
    - CRANIAL NERVES
      - 12 pairs
- More complex
  - Reticular formation
pillar , Medulla spinalis (spinal cord) , cord
- segments
  - more particular
    - cervical
    - thoracic
    - lumbar
    - sacral
    - caudal
    - filum terminale
  - more general
    - inner row and columns
      - nuclei , relay station , synapse node
        
        anterior/ventral
        
        intermediate
        
        posterior/dorsal
    - outer row and columns
      - tracts , relay fibers
        
        ascending tracts
        
        descending tracts
    - each row
      - spinal nerve
        
        afferent
        
        collecting information
        
        skin and sensory receptors
        
        proprioceptors
        
        efferent
        
        giving information
        
        muscles
      - autonomic nerve fibers
        
        sympathetic
        
        parasympathetic
        
        glands , smooth muscle
      - reflex arc
  - more complex
    - segments joining to form
      - NERVE PLEXUS
        
        cervical plexus
        
        brachial plexus
        
        lumbar plexus
        
        sacral plexus
crossing of fibers / nerve tracts
- at level
  - spinal row
  - medulla row
connecting nerve fibers
- inside brain
  - projection fibers
    - thalamic radiation
  - commisural fibers
  - association fibers
- inside spinal cord
  - interneurons
columns or bundles of nerve fibers called by a name
- White matter , white substance , information carrier
  - Funiculus
  - Tract
  - Fasciculus; fascicle
  - Commissure
  - Lemniscus
  - Decussation
  - Stria
- Each nerve fiber has
  - cell body
  - axon
  - Perikaryon
- The whole network is covered by
  - MENINGES