Microscopy Practical

Flashcards for Microscopy Practical

Slide

A method for preparing a sample for viewing under a microscope.

Forceps

Used to peel a layer of onion cells for slide preparation.

Layer of Onion Cells

Placed on the slide to provide a thin, even layer of cells and avoid air bubbles.

Iodine

Added to cells on the slide to enhance contrast and make the cell structures more visible.

Coverslip placement

Placed at a 45-degree angle to avoid air bubbles.

Lowest Objective Lens

Used to initially focus on the specimen under the light microscope.

Focus Adjustment

Increasing the distance between the slide and the objective lense until cell comes into pocus

Eyepiece

Device to measure the length of cells. Include Units.

Iodine Hazard

Eye irritation; wear goggles as a control measure

Onion Hazard

Makes you cry; wear goggles and hold away from you as control measures

Glass Hazard

Smash or break; Hold correctly and don't leave on edge of table as control measures