Brain Anatomy Introduction CLOSE

Canine Brain — Median View

Median view of a canine half-brain. The tectum (tec) of the midbrain is dorsal to the mesencephalic aqueduct (large arrow). The midbrain tegmentum (teg) is ventral to the aqueduct. Notice that the mesencephalic aqueduct forms a connection between the third and fourth ventricles. To view a sheep brain, click here. To view an equine midbrain, click here.

Other labeled structures are: third ventricle (III), fourth ventricle (IV), and cerebellum.

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