Please enable JavaScript.

Coggle requires JavaScript to display documents.

Intro to Nervous System (Neural Tissues (neuroglial cells (secretion of…

- - - - axon
      - cell bodies
      - dendrites
    - - sensory
      - motor
      - interneuron
  - - - fatty subs
      - a/r axon
      - electrical insulator
      - more rapid transmission of AP
  - - - relay points
  - - - solar plexus
      - brachial plexus
      - lumbar, sacral, coccugeal
  - - - responsible for carrying info in brain
- - - - coordinate skeletal m movements
      - vermi
        
        connect cerebral hemispheres
    - - mid brain
        
        station b/t
        
        spinal cord and cerebrum
        
        cerebellum and cerebrum
        
        reflex arc centers for vision, hear, touch
      - pons
        
        bridge b/t cerebrum and cerebellum
      - medulla oblangata
        
        respiratory and digestive functions
        
        breathing
        
        heart beating
        
        blood pressure
        
        coughing, vomiting, sneezing, etc. ...
    - - lobes
        
        frontal lobe
        
        planning
        
        problem solving
        
        movement
        
        speech production
        
        short term memory
        
        parietal lobe
        
        speech interpretation
        
        touch
        
        taste
        
        temperature
        
        smell
        
        temporal lobe
        
        memory and learning
        
        senses interpretation
        
        occipital lobe
        
        vision
      - longitudinal fissure
        
        separating b/t 2 halves
      - corpus callosum
        
        connect left and right hemisphere
    - - 2 lateral (1 in each cerebral hemispheres)
      - 3rd
        
        in center of brain
      - 4th
        
        just above mid brain
      - cerebral aqueduct
        
        from 3rd ventricle to 4th
      - central canal
        
        from 4th ventricle to sp. cord
      - CSF
        
        in SAS
        
        waste products
        
        cusion
        
        ionic balance
        
        stabilize membrane potentail
    - - hypothalamus
        
        sleep
        
        hunger
        
        thirst
        
        Temp
        
        fluid level
        
        blood pressure
      - thalamus
        
        gateway to cerebrum
        
        direct messages to proper places to cerebral cortex
        
        exception: olfactory nerve directly to brain
    - - endothelial cells with tight junctions
      - block
        
        large hydrophilic molecules
        
        bacteria
        
        drugs
        
        toxins
      - allow
        
        small hydrophobic molecules
        
        gases
        
        hormones
        
        small drugs
        
        glucose is carried by facilitated diffusion
- - - - mixed
    - - sensory , motor or mixed
  - - - general
      - special
    - - somatic
      - autonomic
        
        sympathetic
        
        parathempathetci