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Microscope
A precision instrument used to magnify objects for examination.
Total magnification
The combined magnification factor of the ocular lens and the objective lens.
Paracentric
A property of a microscope where objects remain centered in the field of view when switching objectives.
Parfocal
A property of a microscope that allows objectives to be changed with only minor focusing adjustments needed.
Field of view
The circle of light visible through the microscope.
Depth of focus
The ability to see through the thickness of a specimen at different focal planes.
Working distance
The space between the objective lens and the slide.
Wet mount
A temporary preparation technique where specimens are mounted in a drop of water and covered with a cover slip.
Eukaryotic cells
Complex cells that contain a nucleus and membrane-bound organelles.
Prokaryotic cells
Simpler cells that lack a nucleus and complex membrane-bound organelles.
Chloroplasts
Organelles in plant cells that carry out photosynthesis.
Cytoplasmic streaming
The circular flow of cytoplasm that helps distribute materials within a cell.
Pseudopodia
Temporary projections of eukaryotic cells used for movement and feeding.
Cover slip
A thin piece of glass used to cover specimens on a microscope slide.
Iris diaphragm
A component beneath the condenser that regulates the amount of light passing through the specimen.
Coarse adjustment knob
A knob used for preliminary focusing by moving the stage up or down.
Fine adjustment knob
A knob used for making precise adjustments to the focus.
Mechanical stage knobs
Knobs that control the movement of the slide on the stage.
Rheostat
A knob that adjusts the voltage and light intensity of the microscope.
Condenser
A lens system under the stage that focuses light onto the specimen.
Stage
The platform where the slide is placed for examination.
Objective lens
The lens closest to the specimen that provides magnification.
Ocular lens
The lens through which the viewer looks, typically providing 10x magnification.
Condenser lens
A lens that focuses light onto the specimen to enhance illumination.
Base
The bottom support structure of the microscope.
Arm
The structure that connects the base to the head of the microscope, providing support.
Illuminator
A light source used to illuminate the specimen being viewed.
Mechanical stage
A platform that allows for precise movement of the slide during viewing.
Light source
The bulb or LED that provides light for viewing the specimen.
Revolving nosepiece
The rotating part of the microscope that holds multiple objective lenses.
