Esophagus Histology

The width varies from 1 5 to 2 cm about 1 inch.
Esophagus histology. Lamina propria dense irregular connective tissue. Mucosa or mucous membrane stratified squamous non keratinized epithelium. It actively facilitates the passage of the food bolus. The mucosal surface of the esophagus is lined by a thick layer of stratified squamous epithelium adapted for fast transport and withstanding abrasive forces of moving food.
The esophageal epithelium is the. The esophagus which passes food from the pharynx to the stomach is about 25 cm 10 inches in length. Esophagus the gastrointestinal or gi tract extends as a single tube from the esophagus all the way to the distal portion of the anal canal. The esophagus possesses all of the basic histological layers of the gi tract see.
Human digestive system human digestive system esophagus. Gi tract histology in the esophagus these layers are specialized for rapid bulk movement of food from the mouth to the stomach and little in the way of absorption or secretion. It consists of muscles that run both longitudinally and circularly entering into the abdominal cavity via the right crus of the diaphragm at the level of the tenth thoracic vertebrae. Although different parts of the tract may appear to have very different structures and functions the wall still maintains 4 main layers all throughout the gi tract.
We don t have any slides showing purely upper esophagus but you can use slides 126 mid upper 153 mid lower and 155 esophageal cardiac junction to study the basic histology and regional variations of the esophagus. Its only function is the transport of food. Esophagus anterior view the esophagus oesophagus is a 25 cm long fibromuscular tube extending from the pharynx c6 level to the stomach t11 level. The esophagus is a long soft tube that connects the pharynx to the stomach.
The esophagus lies behind the trachea and heart and in front of the spinal column. It passes through the diaphragm before entering the stomach. Glycogenic acanthosis graft versus host disease granular cell tumor grossing herpes simplex esophagitis hiatal hernia histology indefinite for dysplasia intramucosal carcinoma kayexalate damage leiomyoma leiomyosarcoma lichenoid esophagitis lye stricture lymphocytic esophagitis lymphoma melanocytosis. The esophagus american english or oesophagus british english.
The wall of the esophagus is composed of the four layers characteristic of the gastrointestinal tract. The mucosa submucosa.