Medical Surgical Nursing

(Tina Sui) #1

  • Three coverings of the brain, called the meninges. They are the dura mater, arachnoid


mater, and pia mater.


The Brain Hemispheres



  • The right side receives information from and controls the left side of the body.


Specializes in perception of physical environment, art, music, nonverbal
communication, spiritual aspects.



  • The left receives information from and controls the right side of the body. Specializes


in analysis, calculation, problem solving, verbal communication, interpretation,


language, reading, & writing.


The Spinal Cord



  • A continuation of the brain stem.

  • Exits the skull through the foramen magnum, an opening in the base of the skull.


Cerebrospinal Fluid



  • Provides for shock absorption and bathes the brain and spinal cord.


Peripheral Nervous System: Cranial Nerves



  • Twelve pairs of cranial nerves have sensory, motor, or mixed functions.

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