Sagittal section of brain.

Sagittal section of brain revealing the posterior midsagittal arteries.

Sagittal section of brain revealing corpus collusum.

Inferior view of the circle of Willis which provides the arterial blood supply to the brain (anterior inferior cerebellar arteries).

Inferior view of the circle of Willis which provides the arterial blood supply to the brain (posterior inferior cerebellar arteries).

Inferior view of the circle of Willis which provides the arterial blood supply to the brain (labyrinthine arteries).

Inferior view of the circle of Willis which provides the arterial blood supply to the brain (basilar artery, vertebral arteries and anterior spinal artery).

Coronal section through the skull and brain reveals a subdural hematoma. The dark area in the upper left area is the hematoma.

Coronal section through the skull reveals a intracerebral hemorrhage. The central large dark area represents the hemorrhage. Note the midline shift.

Brain, arteries