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> | ||
== Anatomy == | == Anatomy == | ||
=== Origin === | === Origin === | ||
- Superior colliculus of the midbrain.<ref name="Crossman" /> | - Superior colliculus of the midbrain (tectum of the midbrain).<ref name="Crossman" /><ref name="Fitzgerald">Fitzgerald MJT, Gruener G, Mtui E. Clinical neuroanatomy and neuroscience. Fifth Edition. Philadelphia: Elsevier Saunders, 2007</ref> | ||
=== Course / Path === | === Course / Path === | ||
- Passes ventromedially around the periaqueductal grey matter. <ref name="Crossman" /> | - Passes ventromedially around the periaqueductal grey matter. <ref name="Crossman" /> | ||
- Terminates in the cervical segments <ref name="Crossman" /> | - Terminates in the medial part of the anterior gray horm of cervical and upper thoracic segments <ref name="Crossman" /><ref name="Fitzgerald" /> | ||
== Function == | == Function == | ||
== | - In response to visual stimuli, the tectospinal tract mediates reflex movements<ref name="Crossman" />.It is able to orientate the head/trunk towards auditory stimulus (inferior colliculus) or visual stimuli (superior colliculus).<ref name="Fitzgerald" /> | ||
Pathology | |||
== Recent Related Research (from [http://www.ncbi.nlm.nih.gov/pubmed/ Pubmed]) == | == Recent Related Research (from [http://www.ncbi.nlm.nih.gov/pubmed/ Pubmed]) == | ||
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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]
Anatomy[edit | edit source]
Origin[edit | edit source]
- Superior colliculus of the midbrain (tectum of the midbrain).[1][2]
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][2]
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).[2]
Pathology
Recent Related Research (from Pubmed)[edit | edit source]
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Resources[edit | edit source]
References[edit | edit source]
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