alleryStart learning →What are the four main regions of the stomach?
ACardia, fundus, body, and pylorus
BCardia, antrum, canal, and rugae
CFundus, ileum, body, and pylorus
DCecum, colon, rectum, and anus
Answer & Solution
Correct answer: A. Cardia, fundus, body, and pylorus
1. The cardia is where the esophagus joins the stomach, and the dome-shaped fundus sits above it.
2. Below the fundus lies the body, the main part, and the funnel-shaped pylorus leads to the duodenum.
3. So the four main regions are the cardia, fundus, body and pylorus.
4. The antrum and canal are subdivisions of the pylorus, and rugae are folds, so they are not separate regions.
_Source: OpenStax Anatomy and Physiology (CC BY 4.0), Ch 23 "The Digestive System", section 23.4 The Stomach_
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