Abdomen Flashcards
Where is the abdominal cavity located?
Between the diaphragm and the sacral promontory
The abdomen includes what?
Liver, gallbladder and biliary system, pancreas, spleen, adrenal glands, kidneys, ureters, stomach, intestines, and vascular structures
What is the liver the primary center for?
Metabolism
Describe the left lobe of the liver
Most anterior, extends scows the midline
Describe the right lobe of the liver
Largest of the four lobes, lies close to the right lateral abdominal wall, directly under the diaphragm
Describe the caudate lobe of the liver
The smallest lobe, located on the inferior and posterior liver surface
Describe the quadrate lobe
Located on the anteroinferior surface of the left lobe
What is the function of the liver?
Stores fuel from sugars, makes needed proteins, helps remove poisons and toxins, and makes bile; substance that helps with digestion
What is the portal hepatic system?
How the liver is supplied with nutrient rich blood from the gastrointestinal system
What is the portal vein and what is it a part of?
Part of the portal hepatic system and is formed by superior and inferior mesenteric veins and the splenic vein
The atrial blood is supplied by what?
Common hepatic artery (one of the branches of the celiac artery)
Venous drainage is made up of what?
The right, middle, and left hepatic veins which drain into the inferior vena cava just below the diaphragm
How long is the gallbladder?
7-10 cm
What is the gallbladder connected to and what connects it?
Connected to the liver and the duodenum by the biliary tract
Where can the cystic duct be found? What does it join with? What does it form?
Leads from the gallbladder and joins with the common hepatic duct to form the common bile duct
What is the function of the biliary system?
Drain waste products from liver and duodenum, helps in digestion by control release bile
What are the two primary functions of bile?
Carry away waste, break down fat during digestion
What does bile consist of? Which component helps break down and absorb fats?
Waste products, cholesterol, bile salts
Bile salt is the actual component which helps break down and absorb fats.
Where is the gallbladder located and what is it’s function?
Located I a fossa on the anteroinferior portion of the right lobe of the liver, it is a reservoir for bile
Bile enters and leaves through which duct?
Cystic duct
The common hepatic duct is composed of what?
The right and left hepatic ducts from the liver
What is the ampulla of vater?
Where the CBD and pancreatic duct (duct of Wirsung) penetrate the duodenal wall
What is the function of the pancreas?
Functions as exocrine organs and produces digestive enzymes, also endocrine organ secretes hormones (insulin)
Where is the pancreas located?
Near the lower part of the stomach and the beginning of the small intestine
Where does the pancreas secrete it digestive enzymes, and where does it secrete its hormones?
Digestive through a system of ducts into the digestive tract
Hormones are secreted directly into the bloodstream
An abnormal pancreatic function can lead to what?
Pancreatitis or diabetes mellitus
What is the function of the spleen?
Filter against foreign organisms that infect bloodstream, filters our old red blood cells from bloodstream and recycles them, acts as blood reservoir