Hypothalamospinal Tract Figure

A. Anatomic location. The hypothalamospinal tract projects without interruption from the hypothalamus to the ciliospinal center of the intermediolateral cell column at T-1 to T-2. It is found in the spinal cord at T-l or above in the dorsolateral quadrant of the lateral funiculus. It is also found in the lateral tegmentum of the medulla, pons, and midbrain.

B. Clinical features. Interruption of this tract at any level results in Horner's syndrome (i.e., miosis, ptosis, hemianhidrosis, and apparent enophthalmos). The signs are always ipsilateral.

Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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