Horner's Syndrome consists of miosis ptosis Stephen Vo @University

Question 2 / 16: Horner's Syndrome consists of miosis, ptosis, and anhidrosis. These can all be explained as due to the interruption of:

A. Nerve III.

B. Oculomotor nucleus.

C. Hypothalamospinal and reticulospinal fibers.

D. Tuberal nuclei in the hypothalamus.

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Explanation:

Interruption of descending hypothalamic fibers going to the spinal cord directly or indirectly through the reticular formation will result in Horner's Syndrome. In the medulla these axons are in the lateral region near the anterolateral system. However, interruption at any level between the hypothalamus and superior cervical ganglion can produce a Horner's.

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https://www.jobilize.com/neuroanatomy-ch-13-the-hypothalamus

Neuroanatomy 13 The Hypothalamus

Author:

M.D.Stephen VoronLecturer

University of Utah

USA

Access: Public Instant Grading

Attribution: Stephen C. Voron, M.D., Suzanne S. Stensaas, Ph.D. , Department of Neurobiology and Anatomy, University of Utah, School of Medicine, Salt Lake City, Utah 84132, http://library.med.utah.edu/kw/hyperbrain

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