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Brain/CNS (Brainstem (from brainstem 10 Cranial nerves Exit (Oculomotor…

- - - - corticobulbar-UMN
      - LMN Corticospinal Tract #
  - - - Superior Oblique Muscle
        
        Extraocular Down/inward rotation
    - - Pupillary constriction
      - raise eyelid
      - all extraocular moves but lateral & down/in
    - - Sensory
        
        facial sensation
        
        V1 Ophtalmic
        
        V2 Maxillary
        
        V3 Mandibular
      - Motor
        
        Mastication temporalis Massseter
    - - Lateral rectus
    - - Motor
        
        Pharynx swallowing muscles
      - Sensory
        
        Taste anterior 2/3 ttongue
    - - Sensory
        
        Posterior tongue, eardrum, canal, pharynx
      - Motor
        
        Phrynx
    - - Motor
        
        palate, pharynx, larynx
      - Sensory
        
        Pharynx& larynx
      - PNS
    - - Motor
        
        Sternocleidomastoid
        
        Trapezius
    - - Motor Tongue
- - - - Gustotory cortex
      - Tactile
      - proprioception
      - PAIN
  - - - Pimary Motor Cortex
      - synaps*
    - - Probably reward, attention, planning, motivation, inhibition
    - - Arcuate Fasciculus
        
        Unilateral, Dominant sided Hemisphere
      - Posterolateral Region
      - language production
      - expressive aphsia
    - - Helps excite PMA
    - - foot medial hip apex, shoulder, HAND, neck eye, face vocaliziation/Salivation/mastication
  - - - Arcuate Fasciculus #
        
        Neuron Highway
      - superior lateral
      - receptive aphasia
      - comprehend written/spoken language
    - - Superior medial
- - - - Superior Sagittal Sinus
        
        Falx Cerebri
        
        ÷ hemispheres
        
        Drains Venous Blood & CSF
        
        Transverse Sinus
        
        Sigmoid Sinus
        
        Internal Jugular Veins
        
        tentorium cerebelli
        
        ÷cerebellum from occipital lobe
    - - CSF
        
        Ventricular system
        
        3rd
        
        4th
        
        Interventricular foramen
        
        lateral
        
        Aqueduct of midbrain
        
        Choroid Plexus
        
        Production by ependymal cells
        
        Mostly H2O
      - Vessels
    - - Cauda Equina
  - - - Primary neuron Decussates upon entering cord, then enters
        
        Spinothalamic Tract #
    - - Dorsal Root Ganglia Cell Body
        
        No synapse here
        
        Primary neuron goes ipsilaterally #
    - - Nociceptors
        
        Free Nerve Endings
        
        Periosteum, arterial walls, joint capsules, dura
        
        Mostly in Superficial Skin
        
        Dorsal Rami
        
        Synapse * & decussate at Substancia Gelatinosa
        
        Inhibition
        
        enkephalon neuron
        
        Synapse at Reticular Formation
        
        encephalon neuron
      - Inhibition
        
        Endrogenous Opiates
        
        Enkephalin
        
        neuron at substantia gelatinosa & periaqueductal gray
        
        binds to μ and δ receptors.
        
        Dynorphin
        
        Endorphin
        
        Efferent signal triggered by afferent pain signal
        
        Raphe Magnus Nucleus
        
        Periventricular nuclei
        
        enkephalin nucleus
      - C type receptors
        
        Dull pain
        
        Chemical often dull
        
        Bradykinin
        
        Prostaglandin
        
        NSAID Tx
        
        Seratonin
        
        Histamine
        
        K+
      - A type delta receptors
        
        Sharp
        
        Thermal
        
        Mechanical
      - Types
        
        Visceral
        
        Hollow Organs
        
        Distend or Contract
        
        Solid Organ
        
        Distend Capsule
        
        Phantom
        
        Somatic
        
        Neuropathic
        
        Acute
        
        Chronic
        
        Referred
        
        Dermatomes
        
        Localized
- - - - Oligodendrocytes (Schwann Cells in PNS) wrap w/ myelin sheath
        
        MS
        
        Faster conduction
    - - Corpus Callosum
      - Internal Capsule
        
        Most common victim of stroke
  - - - anterior/ventral horn
        
        LMN
        
        NMJ Motor Unit/ Motor Endplte
        
        Muscle fiber
        
        Several Axons
        
        AP opens Voltaage gated Ca+ channels
        
        1 more item...
        
        Synaptic trough
        
        Subneural Cllefts
        
        1 more item...
        
        Acytlcholinerase
        
        1 more item...
    - - Basal Ganglia
        
        manage motor fx #
      - Hypothalamus
        
        Homeostasis
        
        Endocrine
      - Thalamus
        
        UPS of sensory info
        
        Diencephalon #
- - - - Stroke's Favorite #
- - - - optic tracts
        
        optic radiations