instrumentation Flashcards
3 essential parts of a microtome
block holder
knife and knife carrier
pawl, ratchet feed wheel & adjustment screws
simplest among the microtomes
rocking
microtome used for celloidin-embedded sections
sliding
microtome invented in 1789
sliding by adam
when was freezing microtome invented and who invented it?
1848; queckett
microtome used in electron microscope
ultrathin
cryostat is used in
fresh tissue microtomy
honing-
hard sharpening
nicks
heel to toe
hone with much more coarse effect
fine carborundum
enumerate the three knives
plane concave- 25mm
biconcave- 120mm
plane wedge- 100 mm
what temp is infiltration process maintained
55-60
refractive index of a slide
1.518
drying process is maintained at 56-60 degrees for how long?
2 hours
perfect angle
15 degrees
bevel angle
27-32 degrees
clearance angle
5-10
slide measurement
76mmx25mm
hone for manual sharpening
belgium yellow
most common type of microtome for routine
rotary
most common microtome for rapid preparations
cryostat/cold microtome
inventor of rocking microtome
padwell trefall
most dangerous type of microtome
sliding
what year was minot microtome invented
1885-86
hone that gives a more polishing effect
arkansas