Principles of Anatomy and Physiology 14e with Atlas of the Skeleton Set (14th Edition)

Published by Wiley
ISBN 10: 1-11877-456-6
ISBN 13: 978-1-11877-456-4

Chapter 17 - The Special Senses - Figure 17.8 - Page 583: 1

Answer

The parasympathetic division of the ANS causes the pupil to constrict.

Work Step by Step

In bright light and close vision prarsympathetic stimulation causes the circular muscles of the iris to constract. This results in constriction of the pupil and less light entering the eye.
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