Term
What are the general products of the liver? |
|
Definition
Proteins, lipids, lipoproteins, and urea |
|
|
Term
What types of proteins does the liver produce? |
|
Definition
Albumin, alpha and beta globulins, transferrin, fibrinogen, prothrombin, factors 7, 9, and 10 |
|
|
Term
What types of lipids and lipoproteins does the liver produce? |
|
Definition
Cholesterol, VLDL, LDL, fatty acids |
|
|
Term
What substances does the liver store? |
|
Definition
Glucose - Glycogen, Lipids - Fat Droplets, and Vitamins |
|
|
Term
What are 4 examples of substances that are modified or removed by the liver? |
|
Definition
1) Bilirubin 2) Toxins 3) Hormones 4) Drugs |
|
|
Term
|
Definition
It is a detergent that aids in lipid digestion and absorption |
|
|
Term
How many lobes does the liver have? |
|
Definition
|
|
Term
What is Glisson's Capsule? |
|
Definition
It is a thin capsule that surrounds the liver and is made up of collage and fibroblasts. It is surrounded by mesothelium |
|
|
Term
What is the exocrine product of the liver? |
|
Definition
|
|
Term
What 3 structures make up the portal triad? |
|
Definition
1) Hepatic arteriole 2) Portal venule 3) Bile duct |
|
|
Term
|
Definition
Highly permeable capillaries with fenestrated epithelium into which blood flows from portal venules and hepatic arterioles. |
|
|
Term
Where does blood flow from a sinosoid? |
|
Definition
|
|
Term
What is the Space of Disse? |
|
Definition
The gap between the sinusoidal endothelium and the hepatocytes. |
|
|
Term
Which liver cells synthesize bile? |
|
Definition
|
|
Term
In which zone are the hepatocytes closest to the triad and recieve the richest oxygenated blood? |
|
Definition
|
|
Term
In which zone are the hepatocytes active in glycogen synthesis? |
|
Definition
|
|
Term
In which zone do the hepatocytes have the largest mitochondria? |
|
Definition
|
|
Term
In which zone do the hepatocytes have the most abundant lysosomes and are the most active in pinocytosis? |
|
Definition
|
|
Term
In which zone are the hepatocytes most active in protein synthesis and plasma protein secretions? |
|
Definition
|
|
Term
Which zone is considered the intermediate zone? |
|
Definition
|
|
Term
In which zone do the hepatocytes receive the most deoxygenated blood? |
|
Definition
|
|
Term
In which zone are the hepatocytes rich in SER drug oxidation capacity? |
|
Definition
|
|
Term
In which zone do the hepatocytes have the thinnest, least active mitochondria? |
|
Definition
|
|
Term
In which zone would fat be deposited most abundantly? |
|
Definition
|
|
Term
What is the percentage of hepatocytes in the liver? |
|
Definition
|
|
Term
What is the name for the beginning of bile ducts? |
|
Definition
|
|
Term
What do the hepatocytes secrete into the bile canaliculi? |
|
Definition
water, bile salts, conjugated bilirubin, modified drugs, toxins, and metabolites |
|
|
Term
Which type of endothelial cells form a porous vascular wall? |
|
Definition
|
|
Term
|
Definition
mononuclear phagocytic macrophages that contain collagenase and may regulate the amount of extracellular reticulum present in the liver. |
|
|
Term
What are other names for lipocytes? |
|
Definition
Fat cells, Cells of Ito, Vitamin A Cells |
|
|
Term
|
Definition
cells that contain fat droplets. May be involved in fat synthesis and storage, and storage of fat-soluble vitamins. may transform into fibroblasts and synthesize collagen after liver damage |
|
|
Term
What is the function of bile salt? |
|
Definition
To emulsify fat for hydrolysis and absorption |
|
|
Term
From which vein does bile salt get reabsorbed into the liver? |
|
Definition
|
|
Term
What type of epithelium lines hepatic and cystic ducts? |
|
Definition
|
|
Term
What substance causes bile ducts to secrete bicarbonate into bile and relaxes the sphicter? |
|
Definition
|
|
Term
What type of epithelium lines the gall bladder? |
|
Definition
|
|
Term
How is bile in the gall bladder concentrated? |
|
Definition
A sodium pump actively reasorbs sodium from bile and chloried and water follow passively. |
|
|
Term
What substances induces contraction of the gall bladder? |
|
Definition
|
|
Term
What two substances may precipitate to form gall stones? |
|
Definition
|
|
Term
In which gender are gall stones more frequent? |
|
Definition
|
|
Term
|
Definition
Excessive collagen deposition which may involve circulatory disruption and reduced function. |
|
|
Term
|
Definition
Extensive fibrosis and disorganized cell regeneration that leads to severe dysfunction. |
|
|
Term
|
Definition
Blockage of bile ducts or reduced synthesis resulting in reduced bile flow to the duodenum. |
|
|
Term
|
Definition
Any disorder that results in enough bile leakage into the blood stream to color the integument with bile pigments |
|
|