OpenStax AnatPhys fig.15.9 - Autonomic Control of Pupil Size - English labels

nid: 58811
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Autonomic Control of Pupillary Size Activation of the pupillary reflex comes from the amount of light activating the retinal ganglion cells, as sent along the optic nerve. The output of the sympathetic system projects through the superior cervical ganglion, where as the parasympathetic system originates out of the midbrain and projects through the oculomotor nerve to the ciliary ganglion, which then projects to the iris. The postganglionic fibers of either division release neurotransmitters onto the smooth muscles of the iris to cause changes in the pupillary size. Norepinephrine results in dilation and ACh results in constriction. English labels. From OpenStax book 'Anatomy and Physiology', fig. 15.9.
Anatomical structures in item:
Nervus
Pupilla
Nervus opticus
Medulla spinalis
Ganglion cervicale superius
Ganglion ciliare
Uploaded by: Jorn IJkhout Netherlands, Leiden – Leiden University Medical Center, Leiden University
Creator(s)/credit: OpenStax
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OpenStax AnatPhys fig.15.9 - Autonomic Control of Pupil Size - English labels
Uploaded by: Jorn IJkhout
Institution: Netherlands, Leiden – Leiden University Medical Center, Leiden University
Creator(s)/credit: OpenStax
Reviewed 8/10
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  • Status: reviewed
  • Anatomical correctness 8/10
  • Educational quality 8/10
  • Aesthetic quality 8/10
  • Reviewed by AnatomyTOOL, Netherlands, Leiden – Leiden University Medical Center, Leiden University
  • Reviewed on 28 Dec 2019 - 13:06
Autonomic Control of Pupillary Size Activation of the pupillary reflex comes from the amount of light activating the retinal ganglion cells, as sent along the optic nerve. The output of the sympathetic system projects through the superior cervical ganglion, where as the parasympathetic system originates out of the midbrain and projects through the oculomotor nerve to the ciliary ganglion, which then projects to the iris. The postganglionic fibers of either division release neurotransmitters onto the smooth muscles of the iris to cause changes in the pupillary size. Norepinephrine results in dilation and ACh results in constriction. English labels. From OpenStax book 'Anatomy and Physiology', fig. 15.9.
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Anatomical structures in item
Nervus
Pupilla
Nervus opticus
Medulla spinalis
Ganglion cervicale superius
Ganglion ciliare
Topics
Gross
Image / question collection
OpenStax Anatomy & Physiology
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Drawing