histopath lab "microtome"
Arakasas
ARTIFICIAL STONE with MORE POLISHING EFFECT than BELGIUM YELLOW.
FINE CARBORUNDUM
ARTIFICIAL STONE with much COARSER BITE, used for badly NICKED KNIVES, requires finishing using ONE of the TWO other HONES.
PLATE GLASS
EXCELLENT SUBSTITUTE for STONE, finely powdered ALUMINUM OXIDE made into paste with water.
-SOAPY WATER -CASTOR OIL -CLOVE OIL -XYLENE -LIQUID PARAFFIN
Lubricants used for HONES.
Hone
Material used for honing.
20-40 double strokes
Number of strokes in STROPPING.
1. COARSE honing 2. HONING proper
What is the stages of HONING.
XYLENE
after honing wipe off oil from knife with ________
27-32
angel of the Bevel angle
clearance angle
angle between the tissue and block and the cutting facets of the knife.
Bevel angle
angle formed between the cutting edges.
wedge angle
angle formed by the sides of the knife.
0-15
angle of Clearance angle
15
angle of Wedge angle
from TOE to HEEL movement.
direction of STROPPING.
1. cutting celloidin embedded 2. for paraffin sections
flat sided is used for 1.______________ while the more concave side is for 2.____________.
Belgium yellow
for MANUAL SHARPENING OF NICKED EDGE, the type that usually gives the BEST RESULT.
paraffin embedded tissues
in biconcave both sides are concave used for cutting ___________.
plane wedge
it is recommended for frozen sections.
HONING proper
it is the GRINDING CUTTING EDGES.
HONING 1. stone 2. abrassive compound
it is the process of SHARPENING a knife by grinding the cutting edge either the used of what __________.
COARSE honing
it is the removal of GROSS BLEMISHES.
HORSE LEATHER
material used for stropping.
20-30 strokes
number of strokes required in HONING?
castor oil and vegetable oil
oil used for oiling the leather strop.
plane concave
one sided is flat and the other side is concave
STROPPING
the process of POLISHING or cutting edges of a knife on a LEATHER or CANVAS of honing.
to removed GROSS NICKS and BLEMISHES.
the purpose of honing is to ....
1. Belgium yellow 2. ARKANSAS 3. Fine carborundum 4. Plate glass
types of HONING
100 mm length
what is length for plane wedge.
from HEEL to TOE movement.
what is the direction of HONING.
120 mm length
what is the length for Biconcave.
25 mm length
what is the length for Plane Concave
to POLISH , SHARPEN and to removed BURRS or IRREGULARITIES.
what is the of purpose of STROPPING.
used for cutting extremely hard and tough tissues.
what is the used of plane wedge