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HistoPath Lec 2ndYR 2ndSem Midterms > Clearing > Flashcards

Clearing Flashcards

1
Q

Main purpose of Clearing

A

Create a bridge between dehydration and infiltration

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2
Q

Characteristics of Good Clearing Agent

A

Miscible with Alcohol
Miscible with Paraffin Wax
Does not produce tissue shrinkage
Make tissues transparent
Should not dissolve aniline dyes
Should not evaporate quickly in water bath

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3
Q

Clearing time for Xylene

A

30mins to 1hr

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4
Q

Clearing time for Toluene

A

1hr to 2hrs

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5
Q

Clearing time for Benzene

A

15mins to 1hr

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6
Q

Fastest clearing agent

A

Benzene

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7
Q

May lead to aplastic anemia

A

Benzene

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8
Q

Clearing agent for Tough tissues and Large specimens

A

Chloroform

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9
Q

Clearing time for Chloroform

A

6 to 24hrs

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10
Q

Clearing agent for smooth muscles and CNS tissues

A

Cedarwood Oil

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11
Q

Clearing time for Cedarwood Oil

A

2 to 3 days

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12
Q

Clearing agent of insects, embryos, and delicate tissues

A

Aniline Oil

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13
Q

Clearing agent that is similar to Chloroform but cheaper

A

Carbon Tetrachloride

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14
Q

Clearing agent that is considered superior among other agents since it can perform both dehydration and clearing processes

A

Tetrahydrofuran

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15
Q

Clearing agent used when directly from water such as frozen sections

A

Gum Syrup and Glycerin

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16
Q

Clearing agent for Smooth muscle and Skin

A

Oil of Bergamot

17
Q

Clearing agent for Skin

A

Oil of Oreganum

18
Q

Clearing agent which is artificial and is for delicate tissues

A

Oil of Wintergreen

19
Q

Clearing agent that has a foul odor and is used for smooth muscles

A

Carbon Disulfide

20
Q

Clearing agent for Friable tissues

A

Carbol xylene

21
Q

Clearing agent for delicate tissues like eyes

A

Terpineol

22
Q

Clearing agent for Smooth Muscles

A

Phenol

HistoPath Lec 2ndYR 2ndSem Midterms (5 decks)

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