Figure 20-1 -Identify the Structures Labeled "4

question 57

Multiple Choice

Figure 20-1
-Identify the structures labeled "4."

• A)lymphatic vessels
• B)medullae
• C)trabeculae
• D)dendritic cells
• E)venules

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Definitions:

Focus Knobs

Controls on a microscope that adjust the clarity and sharpness of the specimen being viewed by moving the lenses closer or farther from the specimen.

Iris Diaphragm

A mechanical device, typically part of a camera or microscope, that controls the amount of light passing through a lens or onto a specimen.

Field Diameter

The diameter of the field of view seen through the microscope, typically measured in millimeters or micrometers.

Magnification

The process of enlarging the appearance of an object as viewed through an optical instrument like a microscope or telescope.