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Ciliospinal Center Information

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 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 Julius Ludwig Budge in 1852.[3]

References

  1. ^ "ciliospinal centre from Online Medical Dictionary". http://cancerweb.ncl.ac.uk/cgi-bin/omd?ciliospinal+centre. 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. http://findarticles.com/p/articles/mi_qa3725/is_200209/ai_n9114422. 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" (in Japanese). No To Shinkei 51 (2): 161–6. PMID 10198906.
This anatomy article is a stub. You can help Wikipedia by expanding it.
Sensory system: Visual system and eye movement pathways
Visual perception 1° (Bipolar cell of Retina) → 2° (Ganglionic cell) → 3° (Optic nerveOptic chiasmOptic tractLGN of Thalamus) → 4° (Optic radiationCuneus and Lingual gyrus of Visual cortexBlobsGlobs)
Muscles of orbit
Tracking Smooth pursuit: Parietal lobe · Occipital lobe Saccade: Frontal eye fields NystagmusFixation reflexPPRF
Horizontal gaze PPRFAbducens nucleusMLFOculomotor nucleusMedial rectus muscle
Vertical gaze Rostral interstitial nucleusOculomotor nucleus, Trochlear nucleusMuscles of orbit
Vestibulo-ocular reflex Semicircular canalVestibulocochlear nerveVestibular nucleiAbducens nucleusMLF (Vestibulo-oculomotor fibers) → Oculomotor nucleusMedial rectus muscle
Pupillary reflex
Pupillary dilation 1° (Posterior hypothalamusCiliospinal center) → 2° (Superior cervical ganglion) → 3° (Sympathetic root of ciliary ganglionNasociliary nerveLong ciliary nervesIris dilator muscle)
Pupillary light reflex (constriction) 1° (RetinaOptic nerveOptic chiasmOptic tractPretectal nucleus) → 2° (Edinger-Westphal nucleus) → 3° (Oculomotor nerveParasympathetic root of ciliary ganglionCiliary ganglion) → (4° Short ciliary nerves → Iris sphincter muscle)
Accommodation vergence 1° (RetinaOptic nerveOptic chiasmOptic tractVisual cortexBrodmann area 19Pretectal area) → 2° (Edinger-Westphal nucleus) → 3° (Short ciliary nervesCiliary ganglionCiliary muscle)
Circadian rhythm RetinaHypothalamus (Suprachiasmatic nucleus)

: EYE

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