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2.  
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3.  
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10.
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11.
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12.
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13.
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14.
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15.
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a.
b.
c.
d.
e.
f.
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j.
k.
l.
m.
n.
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p.
q.
Corpus callosum
Spinal subarachnoid space
Superior cistern
Chiasmatic cistern
Wise cistern
Cerebellum
Cerebral subarachnoid space
Pontine cistern
Callosal sulcus
Cerebellomedullary cistern
Third ventricle
Frontal sinus
Smelser ventricle
Pituitary
Sphenoid sinus
Septum pellucidum
Spinal cord