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Biology LibreTexts

Part 2: Gross Anatomy

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     Use the models and/or brain specimens to examine, dissect and identify the major anatomical regions of the brain. Not all structures may be present on the same model or specimen.  

    • Cerebrum
      • cortex (or cortical gray matter – divided into lobes: frontal, temporal, parietal, occipital) 
      • sulci & gyri (folds of cortex)
      • cerebral hemispheres
      • white matter (includes corpus callosum)
      • cerebral nuclei (including basal nuclei, thalamus, hypothalamus)
      • olfactory bulbs & tracts
      • optic nerves
      • optic tracts
      • optic chiasma
      • ventricles
      • meninges
    • Brain stem (includes medulla oblongata, pons, midbrain {includes sup. & inf. colliculi)
    • Cerebellum (arbor vitae is the white matter)
    • Cranial nerves (12 pairs total)
    • Spinal cord

    Figure \(\PageIndex{1}\) Sheep brain anatomy

    Gross Anatomy 1.PNG

    Figure \(\PageIndex{2}\) Human brain anatomy

    Gross Anatomy 2.PNG