 |
This article does not cite any references or sources. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. (February 2008) |
"CTZ" redirects here. CTZ may also refer to Chelyabinsk Tractor Plant.
The chemoreceptor trigger zone (CTZ) is an area of the medulla that receives inputs from blood-borne drugs or hormones, and communicates with the vomiting center, to initiate vomiting. The CTZ is close to the area postrema on the floor of the fourth ventricle and is outside of the blood-brain barrier. The neurotransmitters implicated in the control of nausea and vomiting include acetylcholine, dopamine, histamine (H-1 receptor), substance P (NK-1 receptor), and 5-HT (5-HT3 receptor). There are also opioid receptors present, which may be the mechanism by which opiates cause nausea and vomiting.
See also
 |
This neuroscience article is a stub. You can help Wikipedia by expanding it. |
This entry is from Wikipedia, the leading user-contributed encyclopedia. It may not have been reviewed by professional editors (see full disclaimer)
