 |
[Last Modified: ] |
 |
Table 2
Characteristics
of Intestinal Flagellates, Ciliate, and Coccidia Visible
in Different Types of Fecal Preparations
UNSTAINED |
TEMPORARY STAINS |
PERMANENT STAINS |
|||
Characteristic |
Saline |
Formalin |
Iodine |
Neutral Red 1 |
|
| Flagellates | |||||
Trophozoites |
|||||
| Motility | + |
|
+ |
|
|
| Shape | + |
+ |
+ |
+ |
|
| Nucleus | |
+ |
+ |
+ |
|
| Flagella | ± |
|
+ |
± |
|
| Other features2 | + |
+ |
+ |
+ |
|
Cysts |
|||||
| Shape | + |
+ |
+ |
+ |
|
| Nuclei | |
+ |
+ |
+ |
|
| Fibrils | ± |
+ |
+ |
+ |
|
| Ciliate (Balantidium coli) | |||||
Trophozoites |
|||||
| Motility | + |
|
+ |
|
|
| Macronucleus | + |
+ |
+ |
+ |
|
| Cilia | + |
+ |
+ |
+ |
|
Cysts |
|||||
| Macronucleus | + |
+ |
± |
+ |
|
| Coccidia | |||||
Oocysts/Sporocysts |
+ |
+ |
+ |
±3 |
|
1Neutral red dye in methocel
solutions.
2The undulating membrane of Trichomonas and the spiral groove of
Chilomastix may not
be visible in all cases.
3Cryptosporidium oocysts can be demonstrated
in acid-fast stains.
|
||||||||
|
||||||||
|
||||||||
