Anatomically, the tectum is that portion of the mesencephalon, or midbrain, sitting between the hindbrain and the forebrain. The name is the Latin word for roof and reflects the view of early anatomists that the tectum formed a roof over the fluid-filled cerebral aqueduct and the tegmentum.

What makes up the tectum in the brain?

The tectum (from Latin for “roof”) makes up the rear portion of the midbrain and is formed by two paired rounded swellings, the superior and inferior colliculi.

Is the tectum in the pons?

Midbrain and pons nuclei and tracts. ... The tectum is the region of the midbrain that is posterior to the cerebral aqueduct of Sylvius. It contains the nuclei of the superior and inferior colliculi. Between the cerebral aqueduct and the pars compacta of the substantia nigra, is the tegmentum.