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Understanding Anesthesiology - The Global Regional Anesthesia ...

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Chemoreceptor trigger zone<br />

<strong>The</strong> chemoreceptor trigger zone is located in the area postrema of the medulla. Its afferent<br />

input is systemic, where it can be triggered by certain drugs and hormones. Its efferent path<br />

is to the vomiting center, where it initiates vomiting.<br />

<strong>The</strong> vomiting centre receives input from other sources, other than the chemoreceptor trigger<br />

zone, such as the gastrointestinal tract, the vestibular system and the higher cortex.<br />

Related Glossary Terms<br />

Antiemetic agents, Dimenhydrinate, Ondansetron, Post-operative nausea and vomiting<br />

(PONV), Prochlorperazine<br />

Index<br />

Find Term<br />

Chapter 3 - General <strong>Anesthesia</strong><br />

Chapter 6 - Antiemetics

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