Brain and nervous tissue

 

Brain and spinal cord can easily be reached through the cerebrospinal fluid within the spinal cord and the meninges. CSF is secreted by cerebral vessels and the choroid plexuses. It is secreted into the fourth ventricle from where it enters the subarachnoid cistern where it bathes the brain and the spinal cord reaching up to the S2 vertebra although the spinal cord ends at the level of L2 vertebra.

 

Chemical tests for the brain and spinal cord include

 

Blood

  • Plasma protein

    • Asialotransferrins

    • Prealbumin

    • Gamma globulin

Cerebrospinal fluid

  • Chemical pathology

    • Gross appearance of CSF

    • Blood in CSF

    • Glucose

    • Protein

      • Tau protein

      • Immunoglobulins

      • Spectrophotometric examination


eInvestigation
Cerebrospinal fluid


 

 

 

 

 

 

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Brainstem Medulla Pons Midbrain Thalamus Epithalamus
Basal ganglia Forebrain Temporal lobe Cerebral operculum Remove operculum Wall of lateral ventricle 1
Wall of lateral ventricle 2 Wall of lateral ventricle 3 lateral ventricle 1 lateral ventricle 2 Base of brain Rhomboid fossa

 

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