GPHT LAB - Apparatus III Flashcards by Carmina Mislang | Brainscape

Q

apparatus used in the embedding process

A

tissue embedding center

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Q

apparatus w/c dispenses paraffin into mold; with separate area for cooling

A

tissue embedding center

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Q

parts of tissue embedding center

provides instant cooling of exchange plate

A

freon refrigeration system

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Q

parts of tissue embedding center

forms a pent-house on the right-hand side of the unit and on the lower left of this chamber is a microswitch dispenser

A

paraffin melting chamber

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Q

parts of tissue embedding center

maintains an optimal paraffin temp with adjustable thermostatic control

A

paraffin melting chamber

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Q

parts of tissue embedding center

filters particles or sediments

A

microscreen

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Q

parts of tissue embedding center

provides non-clogging flow of molten paraffin for casting of molds when plate is gently pressed

A

micro-switch dispenser

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Q

parts of tissue embedding center

for diff operations of embedding procedure

A

hot and cold orientation platforms

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Q

parts of tissue embedding center

catches excess paraffin

A

waste drawer

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Q

parts of tissue embedding center

to pre-heat forceps

A

hot well

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Q

keeps paraffin wax in melted state

A

paraffin oven

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Q

working temp of parafifn oven

A

2-5C higher than MP of wax

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Q

MP of pure paraffin wax

A

56C

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Q

apparatus used during fishing out

A

flotation water bath

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Q

color of flotation water bath

A

black

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Q

why the flotation water bath is colored black

A

to see the tissue easily

Q

working temp of flotation water bath

A

5-10C below the melting point of wax

Q

flotation water bath contains ? L of water

A

2

Q

glass stoppered jars provided at the bottom pad with grooves,

A

coplin jars

Q

coplin jars are used for (2)

A

fixation and staining

Q

softens the floating tissues

A

flotation water bath

Q

unfolds and flattens out wrinkled tissue sections on the water surface

A

flotation water bath

Q

duration in stations 1&2

A

5 hours on first station

1 hour on 2nd

Q

duration in stations 3-6

A

1 hour each for dehydration

Q

duration in stations 7-8

A

1 hour each for further dehydration

Q

duration in stations 9-10

A

1 hour each for clearing

Q

duration in stations 11-12

A

1 hour each for paraffin infiltration or impregnation