THE VIRTUAL EDGE: Lab 1 Introduction to Microscopy

Colony Morphology

Characteristics of a colony such as shape, edge, elevation, color and texture.

When recording colony morphology, it is important to also record color, optical properties (translucense, sheen) and texture (moist, mucoid or dry) However, remember that color is often influenced by environment.

Shape / Margin / Elevation

Shape

Cicular
Irregular
Punctiform (tiny)

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Margin (edge)

Entire (Smooth)
Undulate (Wavy)
Rhizoid
Lobate
Filamentous

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Elevation

Flat
Convex
Umbonate
Raised
Pulvinate (very convex)

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Lab 1 / Ubiquity of Microorganisms / Microscopy

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