Term
What are the accessory organs of the GI tract? |
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Definition
1. Liver 2. Pancreas 3. Extrahepatic biliary apparatus 4. Spleen |
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Term
What are the 3 functions of the liver? |
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Definition
1. Energy storage 2. Secretes bile salts/digestive enymes 3. Excretes toxins/waste products |
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Term
(T/F) Liver is the largest solid organ in the body |
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Definition
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Term
Name the lobes of the liver |
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Definition
1. Left lobe 2. Right lobe |
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Term
What are the two lobules of the liver? Where are they found? |
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Definition
1. Quadrate lobe 2. Caudate lobe - Between the left and right lobes of the liver |
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Term
What is the porta hepatis? |
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Definition
The hilus of the liver, where the caudate and quadrate lobes come together |
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Term
What is the function of the PH? |
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Definition
Allows vessels and innervation into and out of the liver |
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Term
List the structures going through the hilus (5) |
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Definition
1. Portal vein - brings nutrient rich blood from the GI tract to the liver 2. Hepatic artery - brings oxygenated blood to the liver tissues 3. Vagus nerve/local sympathetics 4. Common hepatic duct 5. Round ligament |
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Term
What is the function of the common hepatic duct? |
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Definition
Delivers bile to the GI tract |
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Term
(T/F) The liver is retroperitoneal |
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Definition
False, it is interperitoneal |
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Term
What is the bare area of the liver, and where is it located? |
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Definition
The area not covered by visceral peritoneum; where the liver sitrs under the right dome of the ligament |
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Term
What are the functions of the falciform ligament? |
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Definition
1. Connects liver to the anterior abdominal wall 2. Separates right and left lobes |
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Term
List the prominent features of the anterior view of the liver (3) |
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Definition
- R/L lobes, divided by falciform ligament - Gallbladder hanging just below right lobe - Ligamentum teres |
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Term
What is the ligamentum teres? Where is it found? |
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Definition
A round remnant of the umbilical vein; at the bottom, free border for the falciform ligament |
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Term
List the prominent features of the superior view of the liver (2) |
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Definition
- IVC channel with caudate lobe on the left - Bare area |
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Term
List the prominent features of the inferior view of the liver |
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Definition
- L/R lobes separated by caudate and quardrate lobes - Porta hepatis - Gall bladder - IVC groove |
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Term
(T) The porta hepatis creates a horizontal cleft |
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Definition
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Term
List the order of the vessels in the cleft, from left to right |
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Definition
(L): Hepatic artery (C): Portal vein (R): biliary apparatus (including gallbladder) |
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Term
What vessels comprise the extrahepatic biliary apparatus? |
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Definition
- Left hepatic duct - Right hepatic duct - Common hepatic duct - Gall bladder - Cystic duct - Common bile duct |
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Term
Describe the relationships/flow of these vessels |
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Definition
L/R hepatic leave liver and form common hepatic. Cystic duct merges with the common hepatic to create the common bile duct. |
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Term
What is the function of the cystic duct? |
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Definition
The allow bile to be stored in the gallbladder when not being excreted |
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Term
(T/F) The common bile duct pierces the pancreas |
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Definition
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Term
Describe the duct system after the common bile duct has breached the pancreas |
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Definition
Common hepatic duct fuses with the main pancreatic duct, and then empties into the duodenum |
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Term
What is the sphincter that controls the release of digestive enzymes into the duodenum |
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Definition
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Term
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Definition
A muscular, pear shaped sac that functions to store and concentrate bile. |
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Term
What are the 3 features of the gallbladder? |
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Definition
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Term
(T/F) The pancreas has only endocrine function |
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Definition
False, it has both endocrine and exocrine function |
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Term
(T/F) The pancreas is intraperitoneal |
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Definition
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Term
What are the 4 parts of the pancreas? |
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Definition
1. Head 2. Uncinate process 3. Body 4. Tail |
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Term
What portions of the pancreas are surrounded by the duodenum? |
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Definition
1. Head 2. Uncinate process |
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Term
Describe the unicate process |
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Definition
- U shaped - Runs below the head, along the inferior limb of the duodenum |
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Term
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Definition
Runs from the head, across the great vessels towards the left sime |
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Term
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Definition
Body turns into tail, which then extends to the upper left abdomen where it abuts against the hilus of the spleen |
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Term
List characteristics of the spleen |
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Definition
- Fist sized - Upper left abdomen - Lymphatic organ |
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Term
What are the prominent features of the spleen? |
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Definition
- Convex outer surface with a notched outer border - Concave inner surface facing right - Hilus (on right side_ |
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Term
(T/F) The spleen is retroperitoneal |
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Definition
False, it is interperitoneal |
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Term
What are the 4 structures entering/leaving the hilus? |
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Definition
1. Splenic artery 2. Splenic vein 3. Lymphatic vessels 4. Nerves |
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