Tectospinal Tract: Difference between revisions
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== Description == | == Description == | ||
The origin of the Tectospinal tract is in the superior colliculus of the midbrain. As this area recieves information regarding visual input, this tract is primarily responsible for mediating reflex responses to visual stimuli. <ref name="Crossman">Crossman AR, Neary D. Neuroanatomy: An Illustrated Colour Text. Third Edition. London: Elsevier, 2004</ref> | The origin of the Tectospinal tract is in the superior colliculus of the midbrain. As this area recieves information regarding visual input, this tract is primarily responsible for mediating reflex responses to visual stimuli. <ref name="Crossman">Crossman AR, Neary D. Neuroanatomy: An Illustrated Colour Text. Third Edition. London: Elsevier, 2004</ref> The tectospinal tract is named after the tectum, meaning roof. The tectum can be interpreted as the 'roof' of the fourth ventrical. The fourth ventricle is made up of the superior and inferior colliculi.<ref name="Carpenter">Carpenter R, Reddi B. Neurophysiology. A conceptual Approach. Fifth Edition. Hodder Arnold:London, 2012.</ref> | ||
== Anatomy == | == Anatomy == | ||
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Description[edit | edit source]
The origin of the Tectospinal tract is in the superior colliculus of the midbrain. As this area recieves information regarding visual input, this tract is primarily responsible for mediating reflex responses to visual stimuli. [1] The tectospinal tract is named after the tectum, meaning roof. The tectum can be interpreted as the 'roof' of the fourth ventrical. The fourth ventricle is made up of the superior and inferior colliculi.[2]
Anatomy[edit | edit source]
Origin[edit | edit source]
- Superior colliculus of the midbrain (tectum of the midbrain).[1][3]
Course / Path[edit | edit source]
- Passes ventromedially around the periaqueductal grey matter. [1]
- Terminates in the medial part of the anterior gray horm of cervical and upper thoracic segments [1][3]
Function[edit | edit source]
- In response to visual stimuli, the tectospinal tract mediates reflex movements[1].It is able to orientate the head/trunk towards auditory stimulus (inferior colliculus) or visual stimuli (superior colliculus).[3]
Pathology
Recent Related Research (from Pubmed)[edit | edit source]
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Resources[edit | edit source]
References[edit | edit source]
References will automatically be added here, see adding references tutorial.
- ↑ 1.0 1.1 1.2 1.3 1.4 Crossman AR, Neary D. Neuroanatomy: An Illustrated Colour Text. Third Edition. London: Elsevier, 2004
- ↑ Carpenter R, Reddi B. Neurophysiology. A conceptual Approach. Fifth Edition. Hodder Arnold:London, 2012.
- ↑ 3.0 3.1 3.2 Fitzgerald MJT, Gruener G, Mtui E. Clinical neuroanatomy and neuroscience. Fifth Edition. Philadelphia: Elsevier Saunders, 2007
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