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Nausea

Definition

Nausea is an unpleasant sensation often preceding vomiting; it's typically associated with unease and discomfort in the upper stomach.

Analogy

Imagine being on a roller coaster ride that's spinning too fast and for too long - you'd likely feel dizzy and unsettled in your stomach. That unsettling feeling represents nausea.

Related terms

Vestibular System: This system contributes to balance and sense of spatial orientation; disturbances here can lead to feelings of dizziness and nausea.

Gastrointestinal Tract: This refers to the stomach and intestine where digestion takes place; irritation or issues here can cause nausea.

Serotonin: A neurotransmitter involved in many functions including mood regulation, appetite, and digestion; changes in serotonin levels can influence feelings of nausea.

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© 2024 Fiveable Inc. All rights reserved.

AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.