Posterior commissure
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The posterior commissure (PC) is a transversely oriented-oriented commissural white matter tract that connects the two cerebral hemispheres along the midline. It is a very important anatomical landmark which is thought to play a role in the visual system, however theseits functions are still largely unknown.
Gross anatomy
The PCposterior commissure is a small fasciculus that decussates in the inferior pineal lamina. corresponds, and corresponds to a white matter tract almost completely surrounded by gray matter that crosses the midline just dorsal to the cerebral aqueduct.
There are a number of small nuclei associated with the PC, these lie rostral to the superior colliculi. Amongst others these include the nucleus of Darkschewitscz and Cajal. As they decussate, the fibres from these nuclei contribute to form the posterior commissure. Additionally it transmits fibres from the thalamic and pre-tectalpretectal nuclei, and from the superior colliculi.
-<p>The<strong> posterior commissure (PC)</strong> is a transversely oriented commissural white matter tract that connects the two <a href="/articles/cerebral-hemisphere">cerebral hemispheres</a> along the midline. It is a very important anatomical landmark which is thought to play a role in the visual system, however these functions are still largely unknown.</p><h4>Gross anatomy</h4><p>The PC is a small fasciculus that decussates in the inferior pineal lamina. corresponds to a white matter tract almost completely surrounded by gray matter that crosses the midline just dorsal to the cerebral aqueduct.</p><p>There are a number of small nuclei associated with the PC, these lie rostral to the superior colliculi. Amongst others these include the nucleus of Darkschewitscz and Cajal. As they decussate, the fibres from these nuclei contribute to form the posterior commissure. Additionally it transmits fibres from thalamic and pre-tectal nuclei, and from the superior colliculi. </p>- +<p>The<strong> posterior commissure (PC)</strong> is a transversely-oriented commissural white matter tract that connects the two <a href="/articles/cerebral-hemisphere">cerebral hemispheres</a> along the midline. It is a very important anatomical landmark which is thought to play a role in the visual system, however its functions are still largely unknown.</p><h4>Gross anatomy</h4><p>The posterior commissure is a small fasciculus that decussates in the inferior pineal lamina, and corresponds to a white matter tract almost completely surrounded by gray matter that crosses the midline just dorsal to the cerebral aqueduct.</p><p>There are a number of small nuclei associated with the PC, these lie rostral to the superior colliculi. Amongst others these include the nucleus of Darkschewitscz and Cajal. As they decussate, the fibres from these nuclei contribute to form the posterior commissure. Additionally it transmits fibres from the thalamic and pretectal nuclei, and from the superior colliculi. </p>
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