Anatomy Of Esophagus

And spasms of the esophageal muscles. Disorders of the esophagus include ulceration and bleeding.

Ppt 1 Stomach And 2 Esophageal Cancer Powerpoint

Considered part of lower thoracic esophagus.

Anatomy of esophagus. The esophagus or oesophagus commonly known as the food pipe or gullet is an organ in vertebrates through which food passes aided by peristaltic contractions from the pharynx to the stomach. Esophagus is covered by larynx and trachea anteriorly but this covering is partial and an open margin is found on left anterior side which provides natural surgical access. The esophagus is a muscular tube connecting the throat pharynx with the stomach.

Esophagus attaches with tracheoesophageal muscle fibers to trachea. When the cricopharyngeus muscle relaxes the upper esophageal sphincter opens aided by elevation and forward motion of the larynx. The esophagus is a fibromuscular tube about 25 centimeters long in adults which travels behind the trachea and heart passes through the diaphragm and empties into the uppermost region of the stomach.

Gross anatomy relationships of the esophagus. Cervical begins at the lower end of pharynx. Venous blood from the esophagus drains into a submucosal plexus.

From thoracic inlet to level of tracheal bifurcation. Sub site description 1 cervical. The trachea lies anterior to the esophagus.

Heartburn caused by gastric juices in the esophagus. Pharyngoesophageal junction located posterior to the cricoid cartilage and formed at. The anatomy of the esophagus.

The cervical esophagus is approximately 6 cm long. As you might have guessed the esophagus doesnt simply float in mid air. The esophagus runs behind the windpipe trachea and heart and in front of the spine.

When the patient is upright the esophagus is usually between 25 to 30 centimeters. The esophagus has 2 types of lymphatic vessels. Scleroderma a collagen disease.

The ues upper esophageal sphincter is a true anatomic sphincter that is composed of the dense cricopharyngeus muscle. The esophagus is a long thin and muscular tube that connects the pharynx throat to the stomach. The esophagus is a hollow muscular tube that transports saliva liquids and foods from the mouth to the stomach.

Now that weve seen the main parts and junctions of the esophagus. During swallowing the epiglottis tilts backwards to prevent food from going down the larynx and lungs. It forms an important piece of the gastrointestinal tract and functions as the conduit for food and liquids that have been swallowed into the pharynx to reach the stomach.

Achalasia an inability to swallow or to pass food from the esophagus to the stomach caused by destruction of the nerve endings in the walls of the esophagus. Just before entering the stomach the esophagus passes through the diaphragm. The esophagus is about 8 inches long and is lined by moist pink tissue called mucosa.

It is easy to separate tracheoesophageal plane except in pathological circumstances.

Esophagus Anatomy Sphincters Arteries Veins Nerves Kenhub