Ciliospinal reflex

Ciliospinal reflex

The ciliospinal reflex (pupillary-skin reflex) consists of dilation of the ipsilateral pupil in response to pain applied to the neck, face, and upper trunk. If the right side of the neck is subjected to a painful stimulus, the right pupil dilates (increases in size 1-2mm from baseline). This reflex is absent in Horner's syndrome and lesions involving the cervical sympathetic fibers.

References


Wikimedia Foundation. 2010.

Игры ⚽ Поможем решить контрольную работу

Look at other dictionaries:

  • ciliospinal reflex — painful stimulation of the skin of the neck, face, or another body part dilates the ipsilateral pupil. Called also Parrot sign …   Medical dictionary

  • Ciliospinal center — Sympathetic connections of the ciliary and superior cervical ganglia. (Ciliospinal center not labeled, but region is visible below superior cervical ganglion.) The ciliospinal center (in Latin: centrum ciliospinale) is a structure which receives… …   Wikipedia

  • Reflex — A reaction that is involuntary. The corneal reflex is the blink that occurs with irritation of the eye. The nasal reflex is a sneeze. * * * 1. An involuntary reaction in response to a stimulus applied to the periphery and transmitted to the… …   Medical dictionary

  • ciliospinal — Relating to the ciliary body and the spinal cord; denoting in particular the c. center. * * * cil·io·spi·nal (sil″e o spiґnəl) [cilio + spinal] pertaining to the ciliary body and the spinal cord; see under center and reflex …   Medical dictionary

  • reflejo ciliospinal — Eng. Ciliospinal reflex Ver reflejo cutaneopupilar …   Diccionario de oftalmología

  • cutaneous pupillary reflex — ciliospinal r …   Medical dictionary

  • skin pupillary reflex — ciliospinal r …   Medical dictionary

  • Vestibulo-ocular reflex — The vestibulo ocular reflex. A rotation of the head is detected, which triggers an inhibitory signal to the extraocular muscles on one side and an excitatory signal to the muscles on the other side. The result is a compensatory movement of the… …   Wikipedia

  • Pupillary reflex — refers to one of the reflexes associated with pupillary function. Types include: Pupillary light reflex Accommodation reflex Although pupillary dilation is not usually called a reflex , it is still usually considered a part of this topic.… …   Wikipedia

  • List of anatomical topics — This page aims to list articles related to anatomy. This list is not necessarily complete or up to date if you see an article that should be here but isn t (or one that shouldn t be here but is), please update the page accordingly. NOTOC A… …   Wikipedia

Share the article and excerpts

Direct link
… Do a right-click on the link above
and select “Copy Link”