Colony Morphology Flashcards
1
Q
How do you describe a colony’s size?
A
diameter in mm
2
Q
how do you describe a colony shape?
A
- circular
- filamentous
- irregular
- rhizoid
3
Q
how do you describe colony elevation?
A
- flat
- raised
- convex
- domed
- umbonate
- umbilicate
4
Q
how do you describe the edge/margin of a colony?
A
- entire (smooth)
- undulate (wavy)
- Iobate
- Erose
- Filamentous
- curled
5
Q
how do you describe the color of the colony?
A
- white
- cream
- yellow
- black
- blue
- orange
- green
6
Q
how do you describe the surface of a bacterial colony?
A
- wet
- dry
- smooth
- sheen
- glistening
- dull
- fluffy
- powdery
- wrinkled
- granular
- rough
7
Q
How do you describe colony opacity?
A
the ability to see through a colony
- opaque
- transparent
- translucent
8
Q
How do you describe colony consistency?
A
observe by picking up or touching a colony with a loop or toothpick
- mucoid (wet and sticky)
- friable (crumbles)
- membranous (pliable or stretchy)
- brittle
- creamy/buttery
9
Q
how do you describe changes in media?
A
Hemolysis on blood agar
- alpha - green zone
- beta - clear zone
- gamma - no hemolysis - no-zone
- any change caused by colony growth
Colour
-any change caused by colony growth