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Sense organs (The eye (Accessory organs (Lacrimal apparatus (Tears (IgA…

- - - - Tears
        
        IgA & lysozymes
        
        Trigeminal nerve (CN 5)
      - Lacrimal punctus
        
        Lacrimal canaliculis
        
        Lacrimal sac
        
        Nasolacrimal duct
  - - - • Refraction
        • Accommodation
        • Pupil size
  - - - Retina
        
        Optic disc
        
        Photoreceptors
        (specialised visual cells)
        
        Cone cells
        (RGB)
        
        Rod cells
        (greyscale)
        
        Photo-pigments
        
        Light/dark
        adaptation
        
        Vitamin A
        
        Macula lutea
        
        Fovea centralis
  - - - Greater refraction
        
        Close object / muscle contracts / convex lens
      - Lesser refraction
        
        Distant object / muscle relaxes / flatter lens
  - - - contracts radial muscle
        
        dilates pupil
    - - contracts circular muscle
        
        constricts pupil
- - - - Malleus (hammer)
      - incus (anvil)
      - stapes (stirrup)
        
        Oval window
        
        Cochlea
        
        Stapedius
  - - - 3 Semicircular canals &
        vestibule (Balance)
        
        • Utricle
        • Saccule
    - - Stereocilia
    - - • Calcium carbonate crystals
        • Otolithic membrane
      - Cerebellum
        
        • Vestibular feedback
        • Visual feedback
        • Proprioceptors
  - - - Balance
    - - Hearing
    - - Soundwaves
        
        Mechanical Vibration
        
        Fluid Waves
        
        Nerve Impulse
      - Sound physiology
      - Properties of sound
        
        Pitch
        
        Volume
        
        Decibel scale
      - White noise
- - - - Filiform papillae
      - • Vallate papillae
        • Fungiform papillae
        • Foliate papillae