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Definition
| feature of light that describes the distance between two successive waves |
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Definition
| ability to distinquish fine detail |
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| feature of light that describes its path change as it moves from one medium to another; bending of light |
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Definition
| the number of times larger an image is compared to the object |
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| compound light microscope |
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Definition
| lens system below the stage that focuses light onto the specimen |
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Definition
| light bulb at the base of the microscope |
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Definition
| controlling extensions from the condenser system to increase or decrease the amount of light reaching the specimen |
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Definition
| magnifying lens coming out of the nose piece |
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Definition
| magnifying lens near where the eyes are placed |
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Definition
| blocks direct light, unstained cells easily seen; a live bacteria cell |
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| large cells easily seen but small cells difficult to see w/o stain; a Gram stained bacterial cell |
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| greatest magnification and resolution; intracellular detail of a bacterial cell |
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Definition
| partially blocks light allowing for direct and diffracted light; intracellular detail of an unstained eukaryote cell |
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Definition
| UV strikes specimen and is converted to visible light; sputum stained with auramine O |
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Definition
| positively charged, easily adheres to most cells; includes both dyes in the Gram stain; has a color associated with it |
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Definition
| a monolayer spread of cells on a microscope slide |
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Definition
| apply heat to cells to cells to make them adhere to the glass slide |
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Definition
| additive that enhances stain property |
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Definition
| colored agent to allow better visualization |
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Definition
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Definition
| The relative velocity with which light passes through a substance; each medium has a refractive property in comparison to air; air = 1.o |
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Definition
| electrons coming off a heated metal move as waves but with much smaller wavelengths than light, this allows greater resolution |
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Definition
| exterior morphology revealed |
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Definition
| A stain that distinguishes objects on the basis of reactions to the staining procedure |
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Definition
| A second stain applied to a smear, provides contrast to the primary stain |
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Definition
| A differential stain used to identify bacteria that are not decolorized by acid-alcohol |
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Definition
| A differential stain that classifies bacteria into two groups, gram-positive and gram-negative |
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Term
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Definition
| Capsule staining provides a contrasting background, so the capsules show up as light areas surrounding the stained cells. |
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