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.)
Anatomical terminology

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 is located in the intermediolateral cell columns (IMLCC) of the spinal cord between C8 and T2.

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 Ludwig Julius Budge in 1852.[3]

See also[edit]


  1. ^ "ciliospinal centre from Online Medical Dictionary". Retrieved 2007-06-05.
  2. ^ Jay, Venita (2002). "A portrait in history: Augustus Volney Waller Archives of Pathology & Laboratory Medicine - Find Articles". Archives of Pathology & Laboratory Medicine. Retrieved 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 (in Japanese). 51 (2): 161–6. PMID 10198906.