OV - Basic Anatomy and Function
Transcript of OV - Basic Anatomy and Function
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S. Andrew Josephson MD
Potential Confl
Interest
None
Associate Professor ofNeurology
Medical Director, InpatientNeurology
Carmen Castro Franceschi andGladyne Mitchell
Neurohospitalist DistinguishedProfessor
Department of Neurology, UCSFSchool of Medicine
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Learning Objec
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Learning Objectives
o Name the key divisions of the centra
nervous system and know their basfunction including lobes of the cereb
(frontal, temporal, parietal, and occi
thalamus, basal ganglia, brainstem spinal cord
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Learning Objectives
o Distinguish between the central and
peripheral nervous system
o Be able to trace the course of the m
motor pathway (corticospinal tract) a
two major sensory pathways (postecolumn and spinothalamic tracts)
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Learning Objectives
o Identify the neuroanatomic upper and
motor neurons and be able to draw thediagram of the nervous system
o Describe the path of cerebrospinal fluiflow from its production to the point of
resorptiono Name the three layers that make up th
meninges in order from the outermost closest to the brain
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Overview of Neuroan
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Organization of Neuroanato
o Central Nervous System (CNS)
Brain Brainstem
Spinal Cord
o Peripheral Nervous System (PNS)
Everything else- Peripheral Nerves
- Neuromuscular Junctions
- Muscles
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CNS: Grey and White Matte
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Terminology of Neuroanatom
CNS PNCollections of cell bodies Nuclei Ga
Collections of axons Tracts Ne
Quasar Jarosz at en.wikipedia
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CNS: Grey and White Matte
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The Meninges
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Layers of the Meninges
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The Case of Natasha Richard
oA 45F suffered a fall while skiing
o Initially she was well and refused medtreatment
o Three hours later she developed headand progressive confusion and was ta
local hospital before being airlifted to acenter
o She is declared dead hours later
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Layers of the Meninges
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Middle Meningeal Artery
H i i f E id l H
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Herniat ion from Epidural Hemat
T i M ki B
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Trepanation: Making a Burr
o Previous uses:
Migraines Seizures
Psychiatric Disease
Let evil spirits out
o Today Epidural and subdural hematomas
Intracranial Pressure Monitoring
Hiero
en.wikip
Th V t i l S t
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The Ventricular System
Ci l t i f C b l S i l Fl id
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Circulat ion of Cerebral Spinal Flu id
L b P t T h i
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Lumbar Puncture Technique
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Hydrocephalus
T T f H d h l
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Two Types of Hydrocephalus
o 1. Obstructive (non-communicating)
o 2. Non-obstructive (communicating)
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Obstructive Hydrocephalu