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| A viscous liquid matrix that supports all internal cellular structures and provides a medium for intercellular transport; also called cytoplasm. |
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| The internal structures within the cells. |
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| A structure that surrounds protoplasm, consisting of the fatty substances that seperate one cell from it's neighbor; also called plasma membrane. |
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| substance located outside the cell membrane. |
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| substances, such as organgelles, that are located inside the cell membrane. |
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| positively charged particles that are part of the make-up of an atom. |
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| Negatively charged particles that are part of the make-up of an atom. |
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| uncharged particles that are part of the make-up of an atom. |
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| The double layer of fatty components that create the outside of the cell membrane. |
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| Allowing some but not all substances to pass through a membrane to maintain homeostasis. |
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| The maintenence of a relatively stable internal physiologic environment. |
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| Are chemicals that are dissolved in the blood and are made up of salt or acid substances that become ionic conductors when dissolved in a solvent such as water. |
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| Movement of particles or solutes from an area of high concentration to low concentration. |
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| particles,such as salts, that are dissovled in a solvent. |
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| The difference in concentrations of a substance on either side of a selectively permeable memebrane. |
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The movement of a solvent, such as water, from an area of low concentration through a selectively permable membrane to equalize contrations of a solute on both sides of the membrane.
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| The measure of the tendency of water to move by Osmosis across a membrane. |
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| Shrinkage of a cell that results when toouch water leaves the cell through osmosis. |
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| The process of disintegration or breakdown of cells that occures when excess water enters the cell through osmosis. |
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| process whereby a carrier molecule moves substances in or out of cells from areas of higher to lower concentration. |
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| movement of a chemical by the use of energy through a gradient, such as a cell membrane, in concentration or electrical potential, this movement is opposite the normal movement by diffusion. |
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| A process of the movement of water out of plasma across the capilary membrane into the interstitial space. |
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| Blood pressure in the vessel walls created by the heart beating pushes the water out of the capillary into the interstitial space. |
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| Pulls water back into the capillary from the interstitial space in an effort to create balance. |
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| The uptake of material through the cell membrane by a memrane bound droplet or vesicle formed within the cells protoplasm. |
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| Endocytosis involving solid particles. |
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| Endocytosis involving liquid. |
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| The release of secrecretions from cells that have been accumulated in vesicles. |
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| A solution thahas the same osmatic pressure as the cells and the body fluids,(ie,a cell placed in the solution will neither shrink nor swell). |
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| A solution with an osmotic pressure greater that that of the body fluid (ie, a cell placed in the solution wil shrink). |
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