Esophagus Flashcards
What is the length of the esophagus?
10inches/25cm long
The esophagus extends from the ___ to the stomach
pharynx
The food passing the esophagus enter which part of the stomach
cardia
The upper esophageal constriction is due to ____
cricopharyngeus muscl
The middle third esophageal constriction is due to
aortic arch and left mainstem bronchus
The inferior third esophageal constriction is due to the
esophageal hiatus
The cervical division of the esophagus starts from the ____ to the ____
Lower end of pharynx (level of C6) to the thoracic inlet (supraternal notch)
In measuring the length of the stomach, what is the fixed anatomic marker
incisors
The upper thoracic part of the esophagus extends from the ___ to the ____
thoracic inlet to the tracheal bifurcation
the lower thoracic part of the esophagus extends from the ___ to the ____
tracheal bifurcation and gastroesophageal junction
The anterior border of of the esophagus is the
posterior surface of the LEFT lobe of the liver
The posterior border of the esophagus is the ____
Left crus of the diaphragm
the vagus nerve accompanies the esophagus through the ____
diaphragm
The left vagus nerve lies ___ (anterior/posterior) of the esophagus
Anterior
The right vagus nerve lie ___ (anterior/posterior) of the esophagus
posterior
What artery supplies the upper third of the esophagus?
Inferior thyroid from the subclavian artery
What artery supplies the middle third of the esophagus?
descending thoracic aorta
What artery supplies the third of the esophagus?
left gastric artery (from the celiac trunk)
What vein drains the upper third of the esophagus?
inferior thyroid
What vein drains the middle third of the esophagus
Azygous
What vein drains the lower third of the esophagus
left gastruc
The deep cervical LN drains what portion of the esophagus?
upper
The mediastinal LN drains what portion of the esophagus?
middle
The celiac drains what portion of the esophagus?
lower
Wha t is the surgical technique to control a bleeding esophageal varices
Sengstaken-Blakemore Balloon Insertion
[diagnose]
difficulty swallowing liquids and solids, failure of relaxation of the inferior esophageal sphincter
Achalasia
