What is the structure of the stomach?

Anatomically, the stomach is divided into three main regions: Fundic region or fundus – top left, dome-shaped region; Stomach body – the expansive main stomach chamber; Pyloric region or pylorus – funnel-shaped lower region connecting the stomach and duodenum (Fig 1).

What are the anatomical parts of the stomach?

The human stomach is subdivided into four regions: the fundus, an expanded area curving up above the cardiac opening (the opening from the stomach into the esophagus); the body, or intermediate region, the central and largest portion; the antrum, the lowermost, somewhat funnel-shaped portion of the stomach; and the …

What is the gross structure of the digestive system?

The organs of the digestive system can be divided into upper and lower digestive tracts. The upper digestive tract consists of the esophagus, stomach, and the small intestine; the lower tract includes all of the large intestine, the rectum, and anus.

What are the 3 divisions of the stomach?

The main divisions of the stomach are the following:

Cardia. The cardia is the portion of the stomach surrounding the cardioesophageal junction, or cardiac orifice (the opening of the esophagus into the stomach).
Fundus. The fundus is the enlarged portion to the left and above the cardiac orifice.
Body.
Pyloric antrum.

What are the 4 layers of the stomach?

Anatomy of the Stomach

Mucosa. This is the first and innermost layer or lining.
Submucosa. This second layer supports the mucosa.
Muscularis. The third layer is made of thick muscles.
Subserosa. This layer contains supporting tissues for the serosa.
Serosa. This is the last and outermost layer.

What is Antrum stomach?

Antrum: the lower portion (near the small intestine), where the food mixes with gastric juice. Pylorus: the last part of the stomach, which acts as a valve to control the emptying of the stomach contents into the small intestine.

How do digestifs work?

Digestifs are after-dinner drinks with purpose. These somewhat magical sippers — equipped with flavors fluctuating from familiar to funky — aid in digestion after a large meal, making them the ideal counterpart to the appetite-stimulating beverages known as aperitifs.

What is peritoneal lining?

Anatomical terminology. The peritoneum is the serous membrane forming the lining of the abdominal cavity or coelom in amniotes and some invertebrates, such as annelids. It covers most of the intra-abdominal (or coelomic) organs, and is composed of a layer of mesothelium supported by a thin layer of connective tissue.

What is antrum stomach?

Which cavity contain the stomach?

Abdominal cavity: The cavity within the abdomen, the space between the abdominal wall and the spine. The abdominal cavity is hardly an empty space. It contains a number of crucial organs including the lower part of the esophagus, the stomach, small intestine, colon, rectum, liver, gallbladder, pancreas, spleen, kidneys, and bladder.

What main body cavity is the stomach located?

The abdominal cavity contains the stomach, intestines, liver, spleen, gallbladder, pancreas, ureters, and kidneys. The cranial cavity, the cavity inside the skull, or the cranium, contains the brain.

What are the parts of the abdominal cavity?

The abdominopelvic cavity is also separated into two subdivisions, the “abdominal cavity” and “pelvic cavity“. The abdominal cavity contains the stomach, spleen, liver, intestines, and a few other organs. The pelvic cavity (inferior) contains the urinary bladder, rectum, and some reproductive organs.

Which cavity is located inferior to the abdominal cavity?

The pelvic cavity is located below or inferior to the abdominal cavity and includes the bladder, uterus, prostate, urethra, fallopian tubes, anus, and ovaries. The pelvic cavity is lined by the peritoneum.

What is the structure of the stomach?