1.
Arterial ring connecting anterior and posterior brain circulation
2.
Supplies medial frontal and parietal lobes (lower limb areas)
3.
Supplies lateral cortex (face and upper limb areas)
4.
Supplies occipital and inferior temporal lobes
5.
Formed by vertebral arteries; supplies brainstem and cerebellum
6.
Joins to form basilar artery; supplies medulla
7.
Connects the two anterior cerebral arteries
8.
Links internal carotid and posterior cerebral arteries
9.
Large paired cavities in each hemisphere holding CSF
10.
Midline cavity between the two thalami
11.
Lies between pons, medulla, and cerebellum
12.
Connects third and fourth ventricles
13.
Connects each lateral ventricle to the third ventricle
14.
Median opening from fourth ventricle to subarachnoid space
15.
Produces cerebrospinal fluid (CSF) within the ventricles
