infiltration

Question 1

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

Answer 1

paraffin wax

Question 2

done under a negative atmospheric pressure inside and embedding oven

Answer 2

vaccum impregnation

Question 3

melting point of paraffin

Answer 3

65 C

Question 4

paraffine wax substitutes

Answer 4

paraplast, ester wax, and carbowax

Question 5

highly purified paraffin and synthetic plastic polymers

Answer 5

paraplas

Question 6

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

Answer 6

ester wax

Question 7

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

Answer 7

celloidin

Question 8

celloidin impregnation method preferred for processing whole eye sections

Answer 8

dry method

Question 9

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

Answer 9

dry method

Question 10

Gilson’s mixture composition

Answer 10

choloroform and oil of cedarwood

Question 11

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

Answer 11

wet method

Question 12

embedding medium that provides superior results for light microscopic studies

Answer 12

resin

Question 13

classifications of embedding plastics

Answer 13

epoxy, polyester, acrylic

Question 14

epoxy plastic that infiltrates the fastest

Answer 14

cyclohexene dioxide

Question 15

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

Answer 15

polyester

Question 16

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

Answer 16

benzoyl peroxide

Question 17

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

Answer 17

methyl methacrylate

Question 18

ideal embedding medium for undecalcified bone

Answer 18

methyl methacrylate