liver A&P

Question 1

liver

Answer 1

largest organ in the body (3#)

Question 2

where is the liver located?

Answer 2

RIGHT epigastric region
most is enclosed in peritoneum
fibrous capsule - divides into L and R lobes

Question 3

lobules

Answer 3

**functional units of the liver
-each has rows of hepatic cells (hepatocytes) arranged around a central vein
-sinusoids (capillaries) are in between the hepatocytes and lined with kupffer cells

Question 4

kupffer cells

Answer 4

remove bacteria and toxics from the blood

Question 5

portal circulation

Answer 5

brings blood to the liver from the stomach, intestines, spleen, and pancreas
*blood enters through portal vein - absorbed products of digestion come directly to the liver and sent to the lobules

“first pass effect”

Question 6

functions of the liver

Answer 6

ESSENTIAL for life - NUMEROUS FXN’s

-digestive
-endocrine
-hematologic
-excretory

Question 7

digestive functions of the liver

Answer 7

bile secretion - helps with fat digestion

processing and storage of fats, carbs, PRO, and minerals

Question 8

endocrine functions of the liver

Answer 8

metabolism of glucocorticoids, mineralocorticoids, and sex hormones

regulation of carb, fat, and protein metabolism

Question 9

hematologic functions of the liver

Answer 9

temporary storage of blood

removal of bilirubin (broken down Hgb) from blood

synthesis of blood clotting factors

Question 10

excretory functions of the liver

Answer 10

excretion of bile pigment

excretion of cholesterol

synthesis of urea

detoxification of drugs and other foreign substances