Esophagus and Stomach Flashcards
Vertebral level of esophagus
C6-T10
Esophageal constrictions
Upper: cricopharyngeus m.
Middle: aortic arch and L main bronchus
Inferior: Esophageal hiatus
Distance b/w ext orifice of the nose and stomach
17.2 in/ 44cm
Left vagus nerve lies ____ on the esophagus
anterior
LARP
Right vagus nerve lies ____ on the esophagus
posterior
Volume capacity of the stomach
1.5 L
4 parts of the stomach
Cardia
Fundis
Body
Pylorus
Sharp indentation approximating the junction of the body and pyloric part of the stomach
Angulare incisura/ angular notch
Vertebral and costal cartilage level of cardiac orifice
T10-11, 6th left costal
Rib level of stomach fundus
5th left rib MCL
Costal cartilage level of greater curvature
10th L costal
Costal cartilage and vertebral level of pyloric antrum
9th costal, L1
Vertebral level of pyloric canal
L2-4
Length of esophagus
10 inches
Blood supply of greater curvature of the stomach
L/R gastroepiploic a.
Blood supply of lesser curvature of the stomach
Gastric arteries
Blood supply of the fundus of the stomach
Short gastric
Venous drainage of R/L gastric veins
Portal vein
Drainage of L gastroepiploic and short gastric v.
Splenic vein (then to portal v.)
Drainage of R gastroepiploic v.
SMV (then to portal v.)
Sympathetic nerve supply of stomach
T6-T9
Parasympathetic nerve supply of the stomach
R/L vagus
Most common site for gastric ulcers
Lesser curvature above incisura angularis
Most common site of gastric carcinomas
Pylorus
From what artery does the bleeding common in a gastric ulcer?
L gastric artery
