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Nervous System (Senses (Components of the Eye (Rods (More abundant,…

- - - - Located in the skin and special senses
      - Stimulus comes from enviroment
    - - Stimulus comes from internal organs
    - - Stimulus comes from skeletal muscles, tendons, ligaments, and joints
  - - - Detect chemicles
    - - Detect heat
    - - Detect pain
    - - Baroreceptor (Blood Pressure)
    - - Detect light
  - - - Vascular
        
        Choroid
        
        Deeply pigmented which helps absorb light and prevent it from scattering
        
        Nourishes the outer layer
      - Fibourous
        
        Sclera
        
        Protects and is an anchor for extrinsic eye muscles
        
        Made up of dense connective tissue
        
        White of the eye
        
        Cornea
        
        Clear/transparent which allows light into the eye
        
        Involved with focusing light on the retina
      - Inner/Neural
        
        Retina
        
        Contains photoreceptors
        
        Optic Nerve
        
        Connects the eye to the brain
    - - More abundant
      - Sensative to light
      - Black and White
      - Helps us see at night
    - - Allow us to see in color
    - - Posterior to the Iris
      - Focuses light on the retina
    - - Intrinsic eye muscle
      - Sphincter muscle the will dilate or restrict to let more or less light in
    - - Blind spot because it has no photoreceptors
    - - Exactly opposite of the pupil
      - Also called precise posterior pole
      - Location of clearest vision
    - - Center of the macula lutea
      - Location of clearest vision
  - - - Pupil
        
        Lens
        
        Posterior Segment
        
        Retina
  - - - Olfactory epithelial cells made up of pseudostratifed columnar
      - Located in the roof of the nasal cavity
      - Olfactory bulb
    - - Olfaction sensory receptors
        
        Olfaction sensory neurons
        
        Olfactory tract
        
        Limbic System
        
        Primary Olfactory Cortex in temporal lobe
  - - - Facial, glossopharangeal, vagus
        
        Medulla Oblongata
        
        Thalamus
        
        Gustatory Cortex
    - - Made up of gustatory epithelial tissue
      - Sensory input comes from
        
        Facial Nerve
        
        Vagus Nerve
        
        Glossoparyngeal Nerve
  - - - Auricle
        
        External Acoustic Meatus
        
        Tympanic membrane
        
        Auditory Ossicles
        
        Cochlea
        
        Cochlear branch of the CN (VII)
        
        1 more item...
    - - Outer Ear
      - Middles Ear
      - Inner Ear
- - - - Astrocytes
        
        Attach to nereves and cappillarys.
        
        Support neurons and help maintain appropriate chemical enviroment
      - Microglia
        
        Phagocyte of the nervous system
        
        Removes microbes and damaged nervous tissue
      - Ependymal
        
        Made up of simple cuboidal/columnar epithelial with cillia
        
        Lines spaces filled with cerebro spinal fluid
      - Oligodendrocytes
        
        Wrap plasma membrain around one portion of several axons
        
        Myelination
    - - Satellite Cells
        
        Structuallry supportive
        
        Regulates exchange of materials in and out of neuron cell body
      - Schwann
        
        Wraps plasma membrane around one portion of one axon
        
        Myelination
  - - - Group or cluster of neuron cell bodies
    - - Bundle of axons
  - - - Group or cluster of neuron cell bodies
    - - Bundle of axons
  - - - Superfical part od brain called CORTEX
      - Composed of neuron cells bodies
      - Deeper gray matter is referred to as nuclei
    - - Deep to white matter
      - Composed of neuron cell bodies
  - - - Deep to superficial gray matter called TRACT
      - Made up of myelinated axons
    - - Superficial layer
      - Made up of axons
  - - - Myeline Sheeth
        
        Endoneurium
        
        Perineurium
        
        Epinerium
- - - - Receive, process, and respond
    - - Brain
      - Spinal Cord
  - - - Cranial Nevers
      - Spinal Nerves
    - - Takes in information and sends toward the CNS
  - - - Stimulates contractions of skeletal muscles
    - - Input from skin, skeletal muscle, joints, and limbs
  - - - Regulates contraction of smooth muscle, and cardiac muscle, and secretion by body's glands. Controls functions of visceral organs
    - - Input from ventral body cavity