Digestive System Microscopic Anatomy

Vocabulary terms and definitions covering the microscopic anatomy and histology of the digestive system based on lecture notes.

Esophagus Mucosal Epithelium

Stratified Squamous Epithelium.

Stomach Muscularis Externa

Composed of truly 3 layers of muscles.

Stomach Mucosal Epithelium

Simple Columnar Epithelium.

Jejunum Mucosal Epithelium

Simple Columnar Epithelium.

Large Intestine Mucosal Epithelium

Simple Columnar Epithelium.

Stomach Cell Types

Includes Peptic Cell, Parietal Cell, Mucous Neck Cell, and Endocrine Cell.

Jejunum Cell Types

Includes Goblet Cell, Enterocyte, and Paneth’s Granular Cell.

Kupffer Cells

Hepatic Macrophages found in the liver.

Portal Triad

A structure in the liver consisting of the Bile Duct, Portal Venule, and Portal Arteriole.

Liver Lobule Components

Includes Sinusoids, Central Vein, Hepatocytes, and the Portal Triad.

Portal Canal

Liver structure containing the Portal Vein, Hepatic Artery, and Bile Duct.

Gallbladder Layers

Consists of Mucosal folds, Epithelium, Lamina propria, Muscular layer, and Adventitia.

Duodenum Histology

Features include Villi cut in various planes, Lumen, Muscularis Mucos, and Duodenal Gland.

Parotid Salivary Gland Structures

Includes Acini, Striated Ducts, Intercalated Ducts, and Capillaries.

Colon Layers

Includes Mucosa, Submucosa, Muscularis Externa (Longitudinal and Circular), and Serosa.

Esophageal Gland

A specific gland located within the esophagus.

Muscularis Mucosae

A thin layer of muscle found within the Mucosa of the digestive tract.

Adventitia

The outermost layer of the esophagus and gallbladder.

Serosa

The outermost layer of the stomach, jejunum, and large intestine.