COLONY CHARACTERISTICS

http://www.austin.cc.tx.us/microbugz/03morphology.html

Colonies are aggregates of millions of bacterial cells.  They can be categorized according to

• Color- pigmentation

• Form – shape

• Margin – the edge of the colony

• Elevation – The height or shape of the bacteria as viewed from the side( lateral view

Vocabulary

      1. Colony shape and size: round, irregular, punctiform (tiny)

2. Margin (edge): entire (smooth), undulate (wavy), lobate (lobed)

3. Elevation: convex, umbonate, flat, raised

4. Color: color or pigment, plus opaque, translucent, shiny or dull

5. Texture: moist, mucoid, dry (or rough).