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physiology of liver
Liver, pancreas, spleen, hormone (digestion), edema
63
Anatomy
Professional
08/28/2012

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Cards

Term
What is the right and left lobe of the liver separated by?
Definition
falciform ligament
Term
what is the free boarder of the falciform ligament?
Definition
round ligament
Term
What is the round ligament remnant of?
Definition
umbilical vein
Term
What ligament is superior and lateral to the round ligament
Definition
triangular ligament
Term
What ligament of the liver attaches to the diaphragm
Definition
coronary ligament
Term
what lobe can not be palpated
Definition
caudate lobe on the posterior
Term
What are the lobes on the posterior surface of the liver?
Definition
caudate (non palpable), quadrate, right, and left
Term
Right and left hepatic duct forms the ___
Definition
common hepatic duct
Term
what forms the common bile duct
Definition
cystic duct from the gall bladder and the common hepatic duct
Term
What empties into the ampulla of vater?
Definition
common bile duct and the pancreatic duct
Term
the pancreatic duct is also known as the __
Definition
duct of wirsung
Term
where does the ampulla of vater empty into?
Definition
the 2nd part of the duodenum through the major duodenal papailla (sphinctor of oddi) [accessory pancreatic duct of santorini]
Term
Where does the pancreas contact the duodenum
Definition
the 2nd (descending) segment
Term
What is the uncinate process of the pancreas
Definition
tongue like projection inferior to the head
Term
what 2 things do the body of the pancreas contact?
Definition
stomach and left kidney
Term
What does the tail of the pancreas contact?
Definition
spleen
Term
What is the arterial supply of the pancreas?
Definition
splenic artery off of the celiac trunk
Term
What does the red pulp of the speen make?
Definition
RBC
Term
What does the white pulp of the spleen make?
Definition
WBC
Term
What 2 veins create the portal vein?
Definition
superior mesenteric vein and the splenic vein
Term
What vein empties into the liver?
Definition
portal vein
Term
Where do the liver sinusoids drain into?
Definition
the central vein then hepatic vein
Term
Where does the hepatic vein drain into
Definition
inferior vena cava
Term
What are the 4 possibilities of edema?
Definition
increase venous pressure, decreased protein in the blood, myxedema, anaphylaxis
Term
An increased venous pressure will cause
Definition
an increased hydrostatic pressure
Term
Left sided heart failure will cause
Definition
pitting edema
Term
If there is a decrease in protein in the blood there will be
Definition
a decrease oncotic/osmotic pressure
Term
What does protein in the blood do to water?
Definition
protein (albumin) in blood pulls water out of the interstitial extracellular fluid [decreased protein=decreased pull]
Term
How much of the total body fluid does extracellular fluid make up?
Definition
60%
Term
What is a cause of protein malnutrition?
Definition
Kwashiorkor
Term
If someone is experiencing myxedema what else do they have?
Definition
hypothyroidism, cretinism in child
Term
What is a type 1 hypersensitivity reaction that causes histamine release?
Definition
anaphylaxis
Term
If a patient has allergies, eats shellfish, or has injuries what are they prone to?
Definition
anaphylaxis
Term
What is another term to describe generalized edema?
Definition
anasarca
Term
What type of syndrome is pre-eclampsia?
Definition
nephrotic syndrome
Term
Pre eclampsia is described as ___
Definition
HEP (hypertension, edema, proteinurea
Term
What is HEP + convulsions described as?
Definition
eclampsia
Term
Eclampsia is ___
Definition
potentially fatal
Term
What shuts off appetite centers and hypothalamus
Definition
Leptin From fat cells
Term
What does leptin shut off in the hypothalamus
Definition
Neuropeptide Y
Term
What does peptide YY from the intestines do
Definition
indicates you have eaten enough (brush boarder cells)
Term
What are three things somatostatin from Delta cells of the pancreas inhibit
Definition
insulin and glucagons in pancreas
gastrin in stomach, secretin in SI
Rennin in stomach
Term
What controls satiation?
Definition
Serotonin from Argentaffin cells of the stomach
Term
What promotes appetite in the stomach
Definition
ghrelin
Term
If neuropeptide Y from the hypothalamus is secreted what happens
Definition
increased appetite
Term
What helps insulin bring glucose into the cell
Definition
Adiponectin from fat cells
Term
What is an inhibitory reflex in digestion
Definition
Any reflex that goes backwards
Term
When you see food you are hungry because
Definition
CN 2 in the diencephalon connects to the hypothalamus to release neuropeptide Y
Term
When the neuropeptide Y is release you salivate because
Definition
activation of CN 7, 9, and 10 are fired and CN 10 activates grehlin to promote appetite
Term
What two factors shut off food
Definition
peptide YY and leptin
Term
what two factors turn on food
Definition
neuropeptide Y and grehlin
Term
what shuts off digestion in the flight or fight response
Definition
somatostatin
Term
what are argentaffin cells of the stomach for satiation
Definition
serotonin
Term
an obese person will have __ serotonin levels
Definition
increased
Term
a depressed person will have __ serotonin levels
Definition
decreased
Term
What causes intestinal peristalses
Definition
parasympathetic nervous system through the meissners/auerbach's plexus
Term
if there is normal pathway through the stomach through the small intestine it is known as__
Definition
excitatory gastro colic reflex
Term
What happens if there is a failure of neural crest cells to migrate?
Definition
congenital megacolon; hirshsprungs disease
Term
The adrenal cortex is derrived from
Definition
mesoderm
Term
The anterior 2/3rd of the colon is innervated by
Definition
the vagus nerve
Term
the distal 1/3rd of the colon is innervated by
Definition
the S2-S4 pelvic splanchnics
Term
What is the blood supply from the duodenum to the anterior 2/3 of the transverse colon
Definition
superior mesenteric artery
Term
What is the blood supply of the distal 1/3 of the colon
Definition
inferior mesenteric artery
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