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Chapter 3
Chapter 3
14
Physiology
Undergraduate 3
04/29/2010

Additional Physiology Flashcards

 


 

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Term
interstitial fluid
Definition

Extracellular fluid that surrounds the cells and lies between the cells and the plasma
Term
ribosomes
Definition

small dense granules of RNA and proteins that manufacture proteins under the direction of DNA

 

most numerous in cells that export proteins

Term
Proteosomes
Definition
degrade proteins
Term
mitochondria
Definition
produces ATP
Term
Smooth Endoplasmic Reticulum
Definition

lack ribosomes

 

synthesis of fatty acids, steroids and lipids.

Term
Rough Endoplasmic Reticulum
Definition

Dotted with Ribosomes

 

main site of production of proteins

Term
Golgi Complex
Definition

receives proteins made in the rough endoplasmic reticulum

 

modifies them and packages them into vesicles

Term
Lysosomes
Definition

membrane bound vesicles

 

breakdown bacteria or old organelles, they do this by acumulating H+ ions in their cytoplasm

Term
extra cellular matrix
Definition
material that is synthesized and secreted by a cell
Term
Peroxisomes
Definition

smaller than lysosomes

 

they degrade long chain fatty acids and and potentially toxic foreign chemicals

Term
cell adhesion molecule (CAM)
Definition
Membrane proteins that link cells to each other and to the extracellular matrix
Term
Gap Junctions
Definition
create cytoplasmic communication bridges between adjoining cells so that they may share chemical and electrical signals from one cell to the next.
Term
tight junction
Definition
Cell-to-cell junction in epithelia that does not allow much movement of material between the cells
Term
anchoring junction
Definition
Form of cell-cell or cell-matrix junctions
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