tectum

(noun)

The dorsal part of the midbrain, responsible for auditory and visual reflexes.

Related Terms

  • substantia nigra
  • tegmentum
  • mesencephalon

Examples of tectum in the following topics:

  • Midbrain

    • Anatomically, it comprises the tectum (or corpora quadrigemina), tegmentum, ventricular mesocoelia (or "iter"), and the cerebral peduncles, as well as several nuclei and fasciculi.
    • The tectum (Latin for "roof") is formed by the superior and inferior colliculi and comprises the rear portion of the midbrain.
  • Development of the Central Nervous System

    • The tectum, pretectum, cerebral peduncle, and other structures develop out of the mesencephalon, and its cavity grows into the mesencephalic duct (cerebral aqueduct).
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