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chemoreceptor trigger zone

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chemoreceptor trigger zone
Area postrema Neuroanatomy The neural center for emesis, located in the floor of the 4th ventricle, which receives vagal afferents or stimulated directly by apomorphine, cardiac glycosides, ergot compounds, chemotherapeutics, staphylococcal enterotoxin, salicylate and nicotine and other circulating chemicals; in contrast to the adjacent but distinct vomiting center, the CTZ does not respond to electrical stimulation


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Vomiting occurs when the drug stimulates a certain part of the brain called the chemoreceptor trigger zone - this then sends a message to the vomiting area of the brain.
Determine whether the potential causative factor is acting on: (2,5,7,8) * vomiting centre (VC) * chemoreceptor trigger zone (CTZ) * via vagal stimulation * via vestibular apparatus * via cerebral cortex, e.
This conjecture supports the hypothesis that although the area postrema is part of the chemoreceptor trigger zone, it is not associated with the production and control of motion sickness.
 
 
 
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