Tectum
Tectum
Tectum (pronunciation: TEK-tum) is a part of the midbrain structure in the brainstem. It is derived from the Latin word 'tectum' which means 'roof'. The tectum is responsible for auditory and visual reflexes.
Etymology
The term 'tectum' is derived from Latin, where it means 'roof'. This is in reference to its position at the top of the midbrain, similar to how a roof is at the top of a building.
Structure
The tectum is located in the dorsal part of the midbrain, posterior to the cerebral aqueduct. It is divided into two main parts: the superior colliculus and the inferior colliculus. Each of these parts has specific functions related to sensory processing.
Function
The tectum plays a crucial role in sensory processing, particularly in auditory and visual reflexes. The superior colliculus is involved in visual reflexes and tracking movements of the eyes, while the inferior colliculus is involved in auditory reflexes and tracking movements of the ears.
Related Terms
- Midbrain: The part of the brain where the tectum is located.
- Superior colliculus: One of the two main parts of the tectum, involved in visual reflexes.
- Inferior colliculus: One of the two main parts of the tectum, involved in auditory reflexes.
- Cerebral aqueduct: A canal that runs through the midbrain, anterior to the tectum.
External links
- Medical encyclopedia article on Tectum
- Wikipedia's article - Tectum
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