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en.wikipedia.org/wiki/Cardia

Near the cardia is the lower oesophageal sphincter. Recent research has shown that the cardia is not an anatomically distinct region of the stomach but a region of the oesophageal lining damaged by reflux. Anatomical proximity. The stomach bed refers to the structures upon which the stomach rests in mammals.

www.mayoclinic.org/diseases-conditions/stomach-cancer/symptoms-causes/syc-20352438

For the past several decades, rates of cancer in the main part of the stomach (stomach body) have been falling worldwide. During the same period, cancer in the area where the top part of the stomach (cardia) meets the lower end of the swallowing tube (esophagus) has become much more common.

www.cancer.org/cancer/stomach-cancer/about/what-is-stomach-cancer

Cardia: The first part is closest to the esophagus Fundus: The upper part of the stomach next to the cardia Body (corpus): The main part of the stomach, between the upper and lower parts Antrum: The lower portion (near the intestine), where the food mixes with gastric juice Pylorus: The last part of the stomach, which acts as a valve to control emptying of the stomach contents into the small ...

courses.lumenlearning.com/suny-ap2/chapter/the-stomach

The stomach has four major regions: the cardia, fundus, body, and pylorus. The addition of an inner oblique smooth muscle layer gives the muscularis the ability to vigorously churn and mix food. The convex lateral surface of the stomach is called the greater curvature; the concave medial border is the lesser curvature.

medcell.med.yale.edu/histology/gi_tract_lab/stomach_cardia.php

Stomach Cardia This slide shows the first area of the stomach, the cardiac region. The cardiac mucosa primarily contains mucous-secreting cells that form a columnar epithelium. Identify the gastric pits, which represent the openings into the gastric glands. These glands are lined entirely by surface mucous cells that lubricate the incoming food ...

www.sciencedirect.com/topics/medicine-and-dentistry/cardia

The gastric cardia is the junction between the lower esophagus and the stomach but is considered part of the stomach and does not contain the typical layered architecture. In OCT images, the cardia presents as a characteristic pit and crypt architecture with shallow light penetration into the tissue and high surface reflectivity (Figure 23).Rugae folds are another characteristic feature of the ...

medical-dictionary.thefreedictionary.com/cardia

cardia [kahr´de-ah] 1. the cardiac opening. 2. the cardiac part of the stomach; that part of the stomach surrounding the esophagogastric junction, distinguished by the presence of cardiac glands. car·di·a (kar'dē-ă), [TA] The area of the stomach close to the esophageal opening (cardiac orifice or cardia) that contains the cardiac glands. Synonym(s ...

www.merriam-webster.com/dictionary/cardia

Cardia definition is - the opening of the esophagus into the stomach; also : the part of the stomach adjoining this opening. How to use cardia in a sentence.

www.wisegeek.com/what-is-the-cardia.htm

The cardia is a part of the body's digestive system. Often called the cardiac section or heart of the stomach, it is the opening which provides a pathway for food to pass down into the stomach. Located near the top of the stomach, it connects the esophagus to the stomach. The esophagus is a tube ...

biologydictionary.net/stomach

The stomach begins at the lower esophageal sphincter that discerns the cut-off point of the esophagus. The stomach itself is very muscular. When the muscularis externa layers are dissected, one can visualize three distinct layers coined the longitudinal, circular, and oblique layers. The first region of the stomach is called the cardia.