infiltration Flashcards

1
Q

simplest, most common and best embedding medium used for routine tissue processing

A

paraffin wax

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2
Q

done under a negative atmospheric pressure inside and embedding oven

A

vaccum impregnation

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3
Q

melting point of paraffin

A

65 C

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4
Q

paraffine wax substitutes

A

paraplast, ester wax, and carbowax

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5
Q

highly purified paraffin and synthetic plastic polymers

A

paraplas

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6
Q

paraffin substitute that can be used for impregnation without the need for alcohol removal

A

ester wax

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7
Q

photosensitive solution for impregnation made up of equal parts ether and alcohol

A

celloidin

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8
Q

celloidin impregnation method preferred for processing whole eye sections

A

dry method

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9
Q

celloidin impregnation which uses Gilson’s mixture instead of 70% alcohol

A

dry method

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10
Q

Gilson’s mixture composition

A

choloroform and oil of cedarwood

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11
Q

celloidin impregnation primarily used for bones, teeth, large brain sections and whole organs

A

wet method

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12
Q

embedding medium that provides superior results for light microscopic studies

A

resin

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13
Q

classifications of embedding plastics

A

epoxy, polyester, acrylic

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14
Q

epoxy plastic that infiltrates the fastest

A

cyclohexene dioxide

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15
Q

embedding plastic used for electron microscopy in the mid-1950s

A

polyester

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16
Q

added to acrylic plastics for embedding as a catalyst that decomposes to form phenyl radicals

A

benzoyl peroxide

17
Q

type of acrylic plastic that is widely used because of its hardness

A

methyl methacrylate

18
Q

ideal embedding medium for undecalcified bone

A

methyl methacrylate