Cell morphology Flashcards
1
Q
What is the gram reaction terminology?
A
- positive
- purple
- negative
- pink
2
Q
What is the staining terminology?
A
- regular
- irregular
- beaded
- bi-polar
- even
- uneven areas of lighter and darker stain in individual cells
- ends of individual cells stain more darkly
3
Q
what is the shape terminology?
A
- cocci
- rods
- cocco-bacilli
- filaments
- spirals
4
Q
what is the arrangement terminology?
A
- singles
- pairs
- tetrads
- chains
- clusters
- palisades
5
Q
What is the size terminology?
A
40x objective lens
one division= 2.5 micrometers
100x objective lens
one division= 1 micrometer
6
Q
what is form terminology?
A
- regular
- irregular
- pleomorphic
7
Q
what is rod axis terminology?
A
straight
curved
8
Q
what is the structure terminology?
A
Capsules
- not visible when gram stained
- clear area around pink cell with capsule stain
Endospores
- visible when Gram stained as an unstained ‘bubble’
- stains green with endospore stain
