TRIMMING OF SECTIONS

Question 1

A process whereby the excess wax is cut off from the block to expose the tissue surface in preparation for actual cutting

Answer 1

TRIMMING OF SECTIONS

Question 2

Flat side is recommended for cutting celloidin embedded sections; concave side is used to cut paraffin embedded sections

Answer 2

Plane-Concave Knife

Question 3

Cutting paraffin embedded sections

Answer 3

Biconcave Knife

Question 4

Frozen sections, or hard specimens embedded in paraffin and celloidin blocks

Answer 4

Plane-Wedge Knife

Question 5

Ultrathin-sectioning microtome used for electron microscope

Answer 5

Diamond-edge Knife

Question 6

Removal of gross nicks

Answer 6

Honing

Question 7

Double strokes required for honing

Answer 7

20-30

Question 8

Removal of burr

Answer 8

Stropping

Question 9

Double strokes required for stropping

Answer 9

40-120

Question 10

Material used for honing

Answer 10

Smooth stones, machine hone

Question 11

Material used for stropping

Answer 11

Shell horse leather

Question 12

Hone that gives the best result

Answer 12

Belgium Yellow

Question 13

Hone that gives best sharpening

Answer 13

Fine Carborundum

Question 14

Hone that gives more polishing effects

Answer 14

Arkansas

Question 15

Heel-to-toe

Answer 15

Honing

Question 16

Toe-to-heel

Answer 16

Stropping

Question 17

Lubricant used in honing

Answer 17

Soapy water
Oil: Mineral, Castor, Clove
Xylene
Liquid paraffin

Question 18

Lubricant used in stropping

Answer 18

Vegetable oil

Question 19

Angle formed between the cutting edges

Answer 19

Bevel angle

Question 20

Bevel angle

Answer 20

27-32°

Question 21

Angle formed by a line drawn along the block surface and the low bevel of the knife

Answer 21

Clearance angle

Question 22

Clearance angle

Answer 22

5-15°

Question 23

Angle between the upper bevel of the knife and a line at 90° to the block surface

Answer 23

Rake angle

Question 24

Wedge angle

Answer 24

15°