GPHT LAB - Apparatus III Flashcards Preview

► Med Misc 05 > GPHT LAB - Apparatus III > Flashcards

Flashcards in GPHT LAB - Apparatus III Deck (27):
1

apparatus used in the embedding process

tissue embedding center

2

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

tissue embedding center

3

parts of tissue embedding center
provides instant cooling of exchange plate

freon refrigeration system

4

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

paraffin melting chamber

5

parts of tissue embedding center
maintains an optimal paraffin temp with adjustable thermostatic control

paraffin melting chamber

6

parts of tissue embedding center
filters particles or sediments

microscreen

7

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

micro-switch dispenser

8

parts of tissue embedding center
for diff operations of embedding procedure

hot and cold orientation platforms

9

parts of tissue embedding center
catches excess paraffin

waste drawer

10

parts of tissue embedding center
to pre-heat forceps

hot well

11

keeps paraffin wax in melted state

paraffin oven

12

working temp of parafifn oven

2-5C higher than MP of wax

13

MP of pure paraffin wax

56C

14

apparatus used during fishing out

flotation water bath

15

color of flotation water bath

black

16

why the flotation water bath is colored black

to see the tissue easily

17

working temp of flotation water bath

5-10C below the melting point of wax

18

flotation water bath contains ? L of water

2

19

glass stoppered jars provided at the bottom pad with grooves,

coplin jars

20

coplin jars are used for (2)

fixation and staining

21

softens the floating tissues

flotation water bath

22

unfolds and flattens out wrinkled tissue sections on the water surface

flotation water bath

23

duration in stations 1&2

5 hours on first station
1 hour on 2nd

24

duration in stations 3-6

1 hour each for dehydration

25

duration in stations 7-8

1 hour each for further dehydration

26

duration in stations 9-10

1 hour each for clearing

27

duration in stations 11-12

1 hour each for paraffin infiltration or impregnation

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