Protection of CNS

Question 1

3 different sets of tissue that protect the brain, spinal cord

Answer 1

1. axial skeleton
2. ventricles and CSF
3. cranial meninges

Question 2

axial skeleton

Answer 2

cranium and vertebral column

Question 3

ventricles and CSF

Answer 3

ventricles= hollow fluid filled cavities

CSF: help cushion form injury

Question 4

what are inside ventricles?

Answer 4

a structure called CHOROID PLEXUS, that produces a clear colourless fluid called CSF that circulates within and around brain and spinal cord, to help cushion from injury

Question 5

cranial meninges

Answer 5

1. dura mater: outer and inner layers
2. arachnoid mater: epithelial layers and arachnoid tubercle
3. pia mater: sticks brain to surface

Question 6

Dural folds role

Answer 6

hold brain in position

• falx cerebri
• tentorium cerebeli