Anatomy Block 3
What structures marks the beginning and end of the abdominal cavity?
Thoracic diaphragm and the pelvic inlet
Which abdominal organs are intraperitoneal?
Stomach, 1st part of duodenum, jejunum, ileum, appendix, transverse colon, sigmoid colon, spleen, liver (except for bare area and porta hepatis), tail of pancreas
What are the branches of the celiac trunk?
1. Left gastric artery
2. Splenic artery
3. Common hepatic artery
What are the branches of the splenic artery?
1. Pancreatic branches
2. left gastro-omental artery
3. Short gastric arteries
What organs are retroperitoneal?
Kidneys and adrenal glands
Ascending and descending colon
Upper 2/3rds of rectum
Most of the duodenum
Pancreas (head and body)
What are the branches from the left gastric artery?
What branches does the common hepatic artery give off?
1. Gastroduodenal artery
2. Right Gastric artery
3. Continues as the proper hepatic artery then bifurcates into the right and left hepatic arteries
What branches does the gastroduodenal artery give off?
1. Anterior superior pancreaticoduodenal artery
2. Right gastro-omental artery
Where does the cystic artery branch off from?
The right hepatic artery
At what vertebral level does the celiac trunk branch from the abdominal aorta?
What 2 structures compose the lesser omentum?
What does the hepatoduodenal ligament contain?
Portal triad (bile duct, hepatic artery, portal vein)
What are the muscular layers of the stomach?
1. Outer longitudinal
2. Middle circular
3. Inner Oblique
Which part of the duodenum contains the major duodenal papilla?
Descending/ 2md part
What are the thickened bands of longitudinal muscle on the large intestine called?
What are the pouches of the large intestine called?
What is the name for the fatty tags that are found along the large intestine?
What are the accessory organs of digestion?
Pancreas and spleen
What are the two liver recesses?
1. Subphrenic recess
2. Hepatorenal recess
Where does the portal triad enter the liver?
At the porta hepatis
What structures make up the portal triad?
1. Bile duct
2. Proper hepatic artery
3. Portal vein
What are the unpaired visceral branches of the abdominal aorta?
Superior mesenteric artery
Inferior mesenteric artery
What are the paired visceral branches of the abdominal aorta?
Middle suprarenal arteries
What are the paired parietal branches of the abdominal aorta?
Inferior phrenic arteries
What is the unpaired parietal branch of the abdominal aorta?
Median sacral artery
At what vertebral level does the abdominal aorta bifurcate?
What are the branches of the superior mesenteric artery?
1. Inferior pancreaticoduodenal artery
2. Intestinal arteries (15-18)
3. Ileocolic artery
4. Right colic artery
5. Middle colic artery
What does the ileocolic artery give rise to?
What does the right colic artery divide into?
Superior and inferior right colic branches
What does the middle colic artery divide into?
Left and right middle colic branches
What are the branches of the inferior mesenteric artery?
1. Left colic artery
2. Sigmoid arteries
3. Superior rectal artery
What does the superior rectal artery divide into?
Right and left superior rectal branches
What are the pancreatic branches that arise from the splenic artery?
Dorsal pancreatic artery
Greater pancreatic artery
Anatomy Block 3
Block 3: Abdominal viscera