Gross Anatomy

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Gross Anatomy

• Maryann Martone, Ph. D.
• 1/08/2009

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Organization of the Nervous System

• CNS
• Brain
• Spinal cord
• PNS
• Somatic
• Autonomic
• Sympathetic
• Parasympathetic
• Enteric
• Gut motility and secretion

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Meninges
Pachymeningesdura mater Pachy G Thick
Epidural, subdural space
Leptomeninges Arachnoid pia mater Lepto G
delicate
Subarachnoid space
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The Ventricles
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Divisions of the Brain
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CSF

• 125 ml in adult human
• 500 ml/24 hr period
• Produced by choroid plexus, principally in the
  lateral ventricles
• Forms water cushion for brain
• Bathes neural tissue, extending into perivascular
  spaces

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Cerebrospinal Fluid
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Flow of CSF
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Sinuses
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Hydrocephalus
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Cerebral Blood Supply
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Divisions of the Brain
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General Functions Associated with each Lobe
Somatosensory
Motor
P
F
O
T
Vision
Audition
Lobes are not functional subdivisions but useful
as reference
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Some features are easy to find
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And some are not that easy
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Identifying the central sulcus

• http//brainvis.wustl.edu/help/landmarks_core6/lan
  dmarks_core6.html/
• http//www.sph.sc.edu/comd/rorden/anatomy/na_atlas
  .html

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And some things are hidden from view
Cingulate Gyrus
Insular Cortex
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Other Useful Websites

• http//faculty.washington.edu/chudler/neuroroot.ht
  ml
• Greek and Latin roots of neuroscience (especially
  neuroanatomy) words