The midbrain tegmentum is part of the midbrain extending from the substantia nigra to the cerebral aqueduct. In biological anatomy, the mesencephalon (or midbrain) is the middle of three vesicles that arise from the neural tube that forms the brain of developing animals. ... The substantia nigra (Latin for black substance) is a portion of the midbrain thought to be involved in certain aspects of movement and attention. ... The mesencephalic duct, also known as the Aqueduct of Silvius or the cerebral aqueduct, contains cerebrospinal fluid (CSF), is within the mesencephalon (or midbrain) and connects the third ventricle in the thalamus (or diencephalon) to the fourth ventricle, which is between the pons and cerebellum. ...

The midbrain tegmentum is often divided into the following areas:

• ventral tegmental area
• dorsal tegmental area

The ventral tegmentum or the ventral tegmental area (VTA) is part of the midbrain, lying close to the substantia nigra and the red nucleus. ...

External links

• Interactive High Resolution Brain Atlases and Brain Maps