Quadrigeminal
Quadrigeminal
Quadrigeminal (pronunciation: kwah-drih-jeh-mi-nuhl) is a term used in anatomy and neurology to refer to a structure composed of four parts. The term is most commonly used in reference to the quadrigeminal plate, also known as the tectal plate or corpora quadrigemina, a part of the midbrain that includes the superior colliculi and inferior colliculi.
Etymology
The term "quadrigeminal" is derived from the Latin words "quadri-", meaning "four", and "geminus", meaning "twin" or "double". This reflects the structure's composition of four parts.
Related Terms
- Quadrigeminal plate: A part of the midbrain that includes the superior and inferior colliculi.
- Superior colliculi: Two protrusions on the top of the midbrain that are part of the quadrigeminal plate. They are involved in visual processing.
- Inferior colliculi: Two protrusions on the bottom of the midbrain that are part of the quadrigeminal plate. They are involved in auditory processing.
- Midbrain: The middle part of the brain that connects the forebrain and the hindbrain. The quadrigeminal plate is located in the midbrain.
See Also
External links
- Medical encyclopedia article on Quadrigeminal
- Wikipedia's article - Quadrigeminal
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