What cells are in the stomach antrum?

What cells are in the stomach antrum?

Indeed, the human antrum appears to contain three distinct types of glands containing 1) parietal and chief cells (oxyntic-type glands), 2) gastrin and TFF2-positive mucous cells (antral-type glands), as well as 3) both parietal cells and gastrin cells (mixed-type glands).

What is antrum in histology?

Antrum / pylorus: distal 3 – 4 cm. Loosely packed mucous secreting glands. Ratio of pit to gland volume, 50:50. Usually no cystic dilatation of glands. G cells are an endocrine cell unique to this anatomic region.

What is unique about the histology of the stomach?

Histologically, the entire stomach is made up of simple tubular glands and foveolae (gastric pits) and there are essentially only 2 types of mucosa: Antral (cardia, antrum and pylorus) Oxyntic (fundus and body).

What is the histology of stomach?

It stands for: Mucosa, Submucosa, Muscularis externa & Serosa. Although the stomach is anatomically divided into four regions, histologically we identify only three; cardia, fundus and pylorus.

Does antrum have parietal cells?

Parietal cells were found also in the antrum of stomachs from newborns and infants, thus this is not metaplasia or dystopia, but is a physiological finding. Therefore the parietal cells in the antrum were considered as a usual cell component of the pyloric gland.

What is the function of antrum in 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.

Where is the antrum of the stomach?

The lower 2 parts make up the distal 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.

What is antral type mucosa?

Definition: The antral mucosa (Synonym: pyloric mucosa) is the mucosa found in the gastric antrum. Its characteristic feature is presence of coiled and branching antral glands. These are lined by mucus cells that are interspersed with endocrine cells (chiefly G and D types), and a few parietal cells.

Is acid secreted in antrum?

Acid secretion is initiated by food: the thought, smell, or taste of food effects vagal stimulation of the gastrin-secreting G cells located in the distal one third (antrum) of the stomach.

What is mucosa in the antrum?

These abnormalities are located at the antrum of the stomach at variable distances from the pylorus and are composed of mucosa which encloses a membrane of submucosa without involvement of muscularis or serosa. They may be congenital in origin or secondary to chronic peptic ulcer disease.