PRELIM 1ST SEM Flashcards
Used to see object under study
Eyepiece or Ocular lens
Connect s eyepiece to the objective lenses
Tube or Body tube
has holders for the different objective lenses; allows rotation of the lenses when viewing
Revolving nosepiece
there are at least 3-4 of these found on a microscope with different ranges of powers
Objective lenses
helps in controlling the amount of of light passing through the opening of the stage
Diaphragm
used for focus on scanning and low power lenses
Coarse Adjustment Knob
used for focus on oil and high power lenses
Fine adjustment knob
supports the tube of microscope and connects to the base of the microscope
Arm
the platform that is used for placing the slides under observation
Stage
holds the slides in place
Stage Clips
focuses the light on the specimen
Condenser
provides support for the micrscope
Base
turns the illumination on or off
Power switch
controls movement of substances into and out of the cell
Plasma Membrane
folds of the plasma membrane that increase the surface area of the cell to increase absorption or secretion
Microvilli
contains DNA molecules and nucleolus
Nucleus
assembly site for ribosomes
Nucleolus