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Cross Sectional SEM REV/ GB and Panc
GB, PANC
66
Other
Undergraduate 2
12/10/2010

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Term
The GB is located ___________________ to the liver.
Definition
Posterior/inferior
Term
the hilum or doorway to the liver
Definition
porta hepatis
Term
The common bile duct is the proximal or distal portion of the biliary duct?
Definition
distal
Term
The right and left hepatic ducts are considered intrahepatic or extrahepatic?
Definition
intrahepatic
Term
The common hepatic duct results from the merging of ___________________
Definition
the right and left hepatic ducts
Term
What makes up the portal triad?
Definition
bile duct, portal vein, hepatic artery
Term
A diameter greater than ________is considered a dilated CBD.
Definition
7 mm
Term
What is the normal thickness of the GB wall?
Definition
3 mm
Term
What two ducts join to form the CBD?
Definition
cystic duct (from GB) and common hepatic duct
Term
What structure regulates bile flow into the duodenum?
Definition
sphincter of Oddi
Term
What structure keeps the cystic from overdistending or collapsing?
Definition
spiral valves of Heister
Term
What is a fold in the fundus of the GB called?
Definition
Phrygian cap
Term
What is an outpouching or fold in the neck of the GB called?
Definition
Hartmann's pouch
Term
What structures drain venous blood from the liver?
Definition
Hepatic Veins to IVC
Term
In the pancreatic head, what is the most anterior vessel within the head (trv view of vessel aka two dots...which one is "on top"?
Definition
gastroduodenal artery
Term
Which duct is the posterior "dot" in the pancreas head?
Definition
CBD
Term
What structure is medial to the pancreatic head?
Definition
duodenum
Term
What vessels are posterior to the body of the pancreas?
Definition
AO, SMA, Splenic vein
Term
What vessel is posterior to the head of the pancreas?
Definition
IVC
Term
What part of the pancreas is near the hilum of the spleen?
Definition
pancreatic tail
Term
The pancreatic tail is located ____________ to the stomach and _____________ to the left kidney
Definition
posterior and anterior
Term
How does the echogenicity of the pancreas compare to the liver?
Definition
more echogenic and less homogenous
Term
What are the enzymes secreted by the pancreas?
Definition
Amylase, Lipase, Trypsin
Term
What are the hormones secreted by the pancreas?
Definition
insulin, glucagon, somatostatin
Term
What are the 3 types of cells in the islets of Langerhans?
Definition
alpha, beta, delta
Term
Which cell secretes insulin?
Definition
beta cells
Term
Which cells secrete glucagon?
Definition
alpha cells
Term
Which cells secrete an alpha and beta inhibitor or somatostatin?
Definition
delta
Term
What do lipase, trypsin and amylase digest?
Definition
lipase-fat
trypsin-protein
amylase-carbohydrate
Term
Which vessels of the pancreas and biliary tree meet before entering the duodenum?
Definition
CBD and Duct of Wirsung (main pancreatic duct)
Term
The CBD and main pancreatic duct enter the duodenum through what structure?
Definition
ampulla of Vater
Term
What types of cells secrete bile into the liver?
Definition
hepatocytes
Term
Which ear on "Mickey" is the CBD?
Definition
the right
Term
Name the arteries that supply the GB in order starting with the GB
Definition
cystic artery, right branch of proper hepatic artery, proper hepatic artery, common hepatic artery, celiac axis, AO
Term
The left and right hepatic ducts join at approximately what location?
Definition
porta hepatis
Term
Does the GB get larger or smaller after eating?
Definition
smaller
Term
Are the GB walls thicker or thinner after the patient has eaten?
Definition
thicker
Term
In the cystic duct, what direction does the bile flow?
Definition
freely in both directions
Term
When proteins and fat are consumed what hormone is secreted in the duodenum/
Definition
CCK (cholecystokinin)
Term
What does CCK do?
Definition
contracts the GB and relaxes sphincter of Oddi to allow bile to enter duodenum to aid in digestions of protein and fat
Term
What is absorbed to concentrate the bile?
Definition
water and bile salts
Term
Bile is composed mostly of ______________.
Definition
water
Term
What is the accessory duct of the pancreas called?
Definition
duct of Santorini
Term
Is the entire pancreas retroperitoneal?
Definition
no, part of the head is intraperitoneal
Term
Though not really segmented, what are the 4 segments of the pancreas?
Definition
head, neck, body, tail
Term
What is the posteromedial projection of the pancreas head that lies directly posterior to the SMV?
Definition
uncinate process
Term
What is the largest portion of the pancreas?
Definition
body
Term
The arterial supply of the pancreas includes the___________________ and _____________________.
Definition
pancreaticoduodenal arteries and the branches of the splenic artery
Term
What vessel courses along the superior edge of the pancreas?
Definition
splenic artery
Term
What vessel forms the posterior border of the pancreas?
Definition
splenic vein
Term
What is the largest component of pancreatic juice?
Definition
sodium bicarbonate
Term
What chemical neutralizes the acid in the duodenum?
Definition
sodium bicarbonate
Term
What stimulates the production of sodium bicarbonate?
Definition
secretin
Term
partially digested food is called what?
Definition
chyme
Term
Echogenicity of the pancreas varies due to its content of what?
Definition
interlobular fat
Term
What is a normal variant in which a ring of pancreatic tissue surrounds the duodenum
Definition
annular pancreas
Term
The neck of the pancreas lies anterior to what?
Definition
portal splenic confluence
Term
What cells perform the exocrine function of the pancreas?
Definition
acini cells
Term
What cells perform the endocrine function of the pancreas?
Definition
alpha, beta and delta cells located in the islets of Langerhans
Term
What chemical breaks down nucleic acids?
Definition
nucleases
Term
Venoud drainage of the pancreas is through the tributaries of what two veins?
Definition
splenic vein and SMV
Term
How much bile is produced each day?
Definition
1-2 L
Term
What is considered the largest portion of the biliary system?
Definition
GB
Term
Underdevelopment of GB is called?
Definition
hypoplasia
Term
GB is attached to liver with a long mesentery which allows torsion
Definition
floating GB
Term
failure of GB to develop
Definition
agenesis
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