What is the structure of oesophagus?
What is the structure of oesophagus?
The esophagus is a muscular tube connecting the throat (pharynx) with the stomach. The esophagus is about 8 inches long, and is lined by moist pink tissue called mucosa. The esophagus runs behind the windpipe (trachea) and heart, and in front of the spine.
Which tissue is present in oesophagus?
stratified squamous epithelium
The esophagus contains four layers—the mucosa, submucosa, muscularis, and tunica adventitia. The mucosa is made up of stratified squamous epithelium containing numerous mucous glands.
What type of epithelium is found in the oesophagus?
stratified squamous
(B) The human esophageal epithelium is nonkeratinized stratified squamous and comprises many cell layers.
What is the structure and function of the oesophagus?
Your esophagus is a hollow, muscular tube that carries food and liquid from your throat to your stomach. Muscles in your esophagus propel food down to your stomach. One of the most common symptoms of esophagus problems is heartburn, a burning sensation in the middle of your chest.
What is oesophagus function?
The oesophagus is a muscular tube. It connects your mouth to your stomach. When you swallow food, the walls of the oesophagus squeeze together (contract). This moves the food down the oesophagus to the stomach.
What is the structure of the oesophagus?
What is the length of oesophagus?
The esophagus is a muscular tube about ten inches (25 cm.) long, extending from the hypopharynx to the stomach. The esophagus lies posterior to the trachea and the heart and passes through the mediastinum and the hiatus, an opening in the diaphragm, in its descent from the thoracic to the abdominal cavity.
What is the cells lining the esophagus?
The inner lining of the esophagus is known as the mucosa. It is called squamous mucosa when the top layer is made up of squamous cells. Squamous cells are flat cells that look similar to fish scales when viewed under the microscope. Most of the esophagus is lined by squamous mucosa.