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Ciliospinal center

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Ciliospinal center
Sympathetic connections of the ciliary and superior cervical ganglia. (Ciliospinal center not labeled, but region is visible below superior cervical ganglion.)
Latin '
Gray's subject #
MeSH [1]

The ciliospinal center (in Latin: centrum ciliospinale) is a structure which receives input from the pretectum, and has output to the superior cervical ganglion.

It plays a role in the control of the iris dilator muscle. It is also known as "Budge's center", or "centre".[1]

It is associated with a reflex identified by Augustus Volney Waller[2] and Julius Ludwig Budge in 1852.[3]


  1. ciliospinal centre from Online Medical Dictionary. URL accessed on 2007-06-05.
  2. A portrait in history: Augustus Volney Waller Archives of Pathology & Laboratory Medicine - Find Articles. URL accessed on 2007-06-05.
  3. Ikeda H, Aruga T, Hayashi M, Miyake Y, Sugimoto K, Mastumoto K (1999). Two cases in which the presence of ciliospinal response led to indecisiveness in the evaluation of brain death. No To Shinkei 51 (2): 161–6.

Sensory system - Visual system - edit
Eye | Optic nerve | Optic chiasm | Optic tract | Lateral geniculate nucleus | Optic radiation | Visual cortex
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