Stomach Wall Anatomical Training Model

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Model Number: NH-87881

Brand: Niche Healthcare


This one-piece model, 150 times life size, is an important tool to study the histology of the most important organ of the digestive system: the stomach. All the different layers from the epithelium to the serous coat are represented with great accuracy and detail.

SKU: VS62248912 Category: Tag:


Categories         Anatomical Model

Subject               Medical Science

Material              Eco-friendly PVC

Application       School/Hospital/Laboratory


The stomach wall is composed of several layers, each with distinct structures and functions that contribute to the overall process of digestion. The main layers of the stomach wall, from the innermost to the outermost, include:


  • Epithelium: The innermost lining of the stomach, composed of simple columnar epithelial cells that secrete mucus, digestive enzymes, and gastric acid.
  • Lamina Propria:A layer of loose connective tissue containing blood vessels, lymphatics, and glands.
  • Muscularis Mucosae: A thin layer of smooth muscle that helps expel the contents of gastric glands into the stomach lumen.


A layer of dense connective tissue that contains blood vessels, lymphatic vessels, and nerves. It also houses the submucosal plexus (Meissner’s plexus), which regulates glandular secretions and local blood flow.

Muscularis Externa:

  • Inner Oblique Layer: Unique to the stomach, this layer aids in the churning and mixing of food with gastric juices.
  • Middle Circular Layer: This layer constricts the stomach to help mix and propel the food.
  • Outer Longitudinal Layer: Helps in the movement and emptying of stomach contents into the small intestine.
  • Myenteric Plexus (Auerbach’s Plexus): Located between the circular and longitudinal muscle layers, it controls gastrointestinal motility.


The outermost layer, consisting of a thin layer of connective tissue covered by a layer of simple squamous epithelium (mesothelium). The serosa is part of the visceral peritoneum, which provides a smooth, frictionless surface for the stomach to move against other abdominal organs.

Together, these layers coordinate to carry out the stomach’s functions of storing food, mixing it with digestive juices to form chyme, and gradually releasing it into the small intestine.


What Organs Are In The Human Body?

What Organs Are In The Human Body?


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