Examlex
The ozone layer lies at the boundary of the stratosphere and mesosphere.
Fundus
The upper part of an organ, often referring to the upper portion of the stomach or the uterus.
Pylorus
The part of the stomach that connects to the duodenum and acts as a valve to control the flow of partially digested food.
Stomach Mucosa
The inner lining of the stomach that contains glands producing gastric juice necessary for digestion.
Rugae
Folds or wrinkles found in the stomach lining, which allow it to expand when food enters.
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