Oesoohagus Flashcards
The oesophagus is a hollow fibromuscular tube
T/F
T
Esophagus
Length: Approximately ___cm in length and a diameter of about __cm
It transports food from the ____ to the _____.
Runs (anterior or posterior?) to the trachea and the heart
25
2
pharynx
stomach
Posterior
Oesophagus originates at the (superior or inferior?) border of the ____ cartilage (C__) and extends to the ________ of the _____ (T__).
Inferior
cricoid; 6
cardiac orifice
stomach
11
The abdominal portion of the oesophagus is approximately ___cm long.
It enters the abdomen through the ______ opening of the diaphragm situated at the level of vertebra ____, slightly to the (right or left?) of the median plane.
1.25
oesophageal
T10
Left
EXTENT of abdominal esophagus
•Extends from the ________ to the _______ of the stomach.
diaphragmatic hiatus
cardia orifice
Abdominal esophagus
Lies slightly (right or left?) of median plane
• Related to the (anterior or posterior?) surface of the ____ lobe of the liver
• Right border is continuous with _______ & left ends in the _________
• Covered by peritoneum (anteriorly or posteriorly?)
•Posteriorly, it lies on the ____ of _____ and _______________ artery
Left
Posterior; left
lesser curvature; cardiac notch
Anteriorly
left crus; diaphragm
left inferior phrenic
Arterial supply and Venous Drainage of the Abdominal part of Oesophagus
The abdominal oesophagus is supplied by the _____ artery (a branch of the _____) and _________ artery.
left gastric; coeliac trunk
left inferior phrenic
Venous Drainage of abdominal part of esophagus
•This part of the oesophagus has a mixed venous drainage via two routes:
•To the portal circulation via ______ vein
•To the systemic circulation via the _____ vein.
•These two routes form a porto-systemic anastomosis, a connection between the portal and systemic venous systems.
left gastric
azygous
Abdominal Portion of the Oesophagus
•The oesophagus runs downwards and to the (left or right?) in front of the left crus of the diaphragm and of the (superior or inferior?) surface of the (right or left?) lobe of the liver, and ends by opening into the ____ end of the stomach at the level of vertebra ___, about ___ cm to the left of the median plane.
Peritoneum covers the oesophagus only _____ and on the ___ side.
Left
Inferior
Left
cardiac
T11
2.5
anteriorly; left
The oesophageal opening also transmits the ____ and ____ nerves, the oesophageal branches of the ____ artery and the accompanying veins.
anterior and posterior gastric
left gastric
The esophagus has ___ curvatures and ___ restrictions
2
4
CURVATURES of the esophagus
- at —————
- near _______
root of the neck
the lower end
CONSTRICTIONS of the esophagus
- abdominal/_______ constriction ; __ cm
- ____constriction; __ cm
- ______ constriction: ____
- ______ constriction ;__cm from ______ teeth
diaphragmatic; 37.5
aortic; 22.5
bronchial; 27.5
circopharyngeal; 15; incisor teeth
ARTERIES!!!! Of the esophagus
- upper third by ______ artery
- middle third by ____
- lower third by _____ artery
VEINS!!! Of the esophagus
Upper third by _____ veins
Middle third by _____ vein
Lower third by _______ vein
inferior thyroid
thoracic aorta
left gastric
inferior thyroid
azygos
left gastric
LYMPH!
Upper is _____
Middle is _______
Lower is _______ and ____
NERVES!!
____________ and ____ nerve
These two join inferior to the _______ to form the _____
deep cervical
sup and post mediastinal
celiac and left gastric
Sympathetic trunk; vagus
roots of the lung
eosophageal plexus
