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Cards In This Set
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Anton Van Leewenhoek
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Invented the microscope.
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Hans Janssen
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Thought to have assisted his son in the creation of the first compound microscope.
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Working Distance
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The distance between the front lens of the objective and the specimen when the lens is focused on the specimen.
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Numerical Aperture
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The measure of a microscope's ability to gather light and and resolve fine specimen detail at a fixed object distance.
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Focal Depth
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A measure of the power of the lens to produce clear images at different distances from it.
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Resolving Power
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The ability of a microscope to produce separate images of closely placed objects.
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Field Number
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The diaphragm size of an eye piece in mm unit which defines the image area of the specimen.
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Diptera
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True flies
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Coleoptera
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Beetles
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Stadium
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The time interval between molts of a developing insect.
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Exuvium
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The cast-off outer skin of an insect or arthropod.
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Puparium
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Case which conceals the pupa of flies.
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Instar
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The stage in an insect's life history between any 2 molts.
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Nymph
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Name given to the young stages of insects who undergo partial metamorphasis.
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Holometabolous
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Having a complete metamorphosis.
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