Summary The esophagus

~
It is a tubular structure, about 25 cm
long :
Laterally :



It
begins the continuation of the
Right side
Right mediastinal pleura
·


pharynx,
~
as
,




at the level of C6 Terminal part of vein
Azygos
·
·




~
It pierces the
diaphragm at the level of the
·
Left side Left mediastinal Pleura, Left

T10 to
join the stomach . Subclavian artery ,
Aortic arch, thoracic duct .




is divided into 3
Esophagus parts :
~




.
1 Cervical 2 Thoracic
. 3 Abdominal
.
There is an important relationship between the


Left atrium
& the
esophagus .




.
1 Cervical Part
Physicians
:
the size of the
~
can asses


Borders left atrium in which a barium swallow is

Posteriorly :
·
vertebral used in the
esophagus .




column
.


·

Laterally : Lobes of
3 .



Abdominal Part :

the thyroid
~
In the abdomen the descends for
gland. , esophagus 1 3
. cm &

·
Anteriorly : Trachea joins the stomach .




& the recurrent LaryngealN ~
.

Anteriorly : Left lobe of the liver

Posteriorly : left of
diaphragm
~
crus .




2.
Thoracic part : Fibers from the of the
right diaphragm
~
crus


In the thorax it passes downward
Ito lefts form
sling around the esophagus
~
the a .
,




through At the the
~

superior then to post mediastinum of
. .


opening the
diaphragm , esophagus
~
At the level of the sternal
angle ,
the aortic arch is accompanied by :



the
esophagus back in midline Lymphatic
pushes the The 2
vagi
·

. ·
vessels


Relations : Branches of the left
gastric vessels
·
.




Anteriorly : Tracked
s left recurrent
laryngeal
-




N .

s
left principle bronchus ,
Left atrium &
Esophageal Constrictions
Pericardium .




Posteriorly : Bodies of Thoracic vertebrae,
-




Thoracic duct ,
Azygos vein ,
Right posterior
intercostal arteries ,
Descending thoracic Aorta .