Ray Francis C. Labra

1
The Human Brain

• Ray Francis C. Labra
• Medical Physics Student
• De La Salle University

2
Definitions

• Brain the control center of movement
• Cranium part of the skull that directly covers
  the brain
• Menininges the three protective membranes
  between the brain and the cranium

3
Definitions continued

• Dura mater outermost membrane it is the
  toughest and thickest
• Arachnoid the middle layer
• pia mater inner most layer, consists mainly of
  small blood vessels and follows the contours of
  the brains surface

4
Definitions continued

• Cerebrospinal fluid bathes the entire brain and
  fills the ventricles, protects the inner parts of
  the brain from varying pressures and transports
  chemical substances around the system
• ventricles a series of four cavities near the
  brains center

5
Definitions continued

• Each hemisphere of the brain is restricted to a
  certain intellectual function. The left
  hemisphere is dominant in most people

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Function of the Brain