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NERVOUS SYSTEM (SENSES (RECEPTORS (BASED ON STIMULUS TYPE…

- - - - CHEMORECEPTORS
      - THERMORECEPTORS
      - MECHANORECEPTORS
        
        BARORECEPTORS
      - PHOTORECEPTORS
      - NOCICEPTORS
    - - EXTEROCEPTORS
      - INTEROCEPTORS
      - PROPRIOCEPTORS
  - - - CORNEA --> LENS --> RETINA --> OPTIC NERVE --> OPTIC CHIASM --> OPTIC TRACT --> MIDBRAIN --> THALAMUS --> PRIMARY VISUAL CORTEX
    - - FIBROUS LAYER
        
        SCLERA
        
        CORNEA
      - VASCULAR LAYER
        
        CHOROID
        
        CILIARY BODY
      - INNER LAYER
        
        RETINA
        
        RODS
        
        CONES
        
        MACULA LUTEA
        
        FOVEA CENTRALIS
      - LENS
      - IRIS
      - POSTERIOR SEGMENT
      - ANTERIOR SEGMENT
        
        ANTERIOR CHAMBER
        
        POSTERIOR CHAMBER
      - OPTIC DISC
  - - - SENSORY NEURONS
      - OLFACTORY BULB
      - CRIBRIFORM FORAMINA
      - PSEUDOSTRATIFIED COLUMNAR EPITHELIUM
    - - OLFACTORY SENSORY NEURONS --> OLFACTORY BULB --> OLFACTORY TRACT --> LIMBIC REGION (EMOTIONAL BRAIN) AND PRIMARY OLFACTORY CORTEX OF TEMPORAL LOBE
  - - - LOCATION OF TASTEBUDS
        
        TONGUE
        
        INNER CHEEKS
        
        PALATE
        
        PHARYNX
        
        EPIGLOTTIS
      - CRANIAL NERVES INVOLVED IN PATHWAY
        
        FACIAL NERVE
        
        GLOSSOPHARYNGEAL
        
        VAGUS
    - - TASTE BUDS WITH RECEPTORS --> CRANIAL NERVES --> MEDULLA OBLONGATA --> THALAMUS --> PRIMARY GUSTATORY CORTEX IN THE INSULA
  - - - OUTER EAR
        
        AURICLE (PINNA)
      - MIDDLE EAR
        
        TYMPANIC MEMBRANE
        
        AUDITORY OSSICLES
        
        COCHLEA
    - - TYMPANIC MEMBRANE --> AUDITORY OSSICLES --> COCHLEA --> VESTIBULOCOCHLEAR NERVE --> COCHLEAR NERVE --> MEDULLA OBLONGATA --> PONS --> MIDBRAIN --> THALAMUS --> PRIMARY AUDITORY CORTEX OF THE TEMPORAL LOBE
- - - - BRAIN
      - SPINAL CORD
    - - RECEIVE, PROCESS, AND RESPOND TO SENSORY INPUT
  - - - CRANIAL NERVES
      - SPINAL NERVES
      - GANGLIA
    - - GATHER SENSORY INFORMATION FROM RECEPTORS AND PASS IT ON TO THE CENTRAL NERVOUS SYSTEM
- - - - TISSUE: ENDONEURIUM
      - SOME COVERED IN MYELIN SHEATH
    - - TISSUE: PERINEURIUM
  - - - ASTROCYTES
        
        MOST ABUNDANT; SUPPORTIVE
      - MICROGLIA
        
        PHAGOCYTES: DESTROY MICROBES
      - EPENDYMAL
        
        IN VENTRICLES; CIRCULATE CEREBRAL SPINAL FLUID USING CILIA
      - OLIGODENDROCYTES
        
        CREATE MYELIN SHEATH
    - - SATELLITE CELLS
        
        REGULATE WHAT GOES IN/OUT OF NEURON CELL BODIES
      - SCHWANN CELLS
        
        CREATE MYELIN SHEATH