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Table I.
Sizes, frequencies, indexes and other characteristics of the three main morphotypes of T. (Nannomonas) congolense forest-type observed on Giemsa stained blood smears.
| Morphotype | Hyperpachymorph | Isomorph | Sphaeromorph |
|---|---|---|---|
| Category * | hyper-stumpy form | slender form | globular form |
| Name | hyper-montgomeryi-form | congolense-form | sphaerocyte |
| Percentage observed | 48.4 % | 30.4 % | 20.4 % |
| NP | 4.83 ± 0.3 | 4.72 ± 0.3 | na |
| NA | 4.83 ± 0.4 | 5.07 ± 0.4 | na |
| NI = NP/NA | 1.03 ± 0.1 | 0.95 ± 0.1 | na |
| F (frequency %) size | absent | (53.3 %) 2.44 ± 0.3 | (26.6 %) 1.86 ± 0.3 |
| L = NA + NP | 9.67 ± 0.5 | 9.49 ± 0.8 | 4.35 ±0.3 |
| Total length TL = NA + NP + F | 9.67 ± 0.5 | 11.09 ± 0.8 | na |
| PK | 1.22 ± 0.1 | 1.02 ± 0.1 | 1.09 ± 0.1 |
| K (diameter) | 0.72 ± 0.1 | 0.65 ± 0.05 | 0.72 ± 0.1 |
| KN | 4.03 ± 0.3 | 3.75 ± 0.4 | 2.25 ± 1.19 |
| KI = NP/KN | 1.21 ± 0.04 | 1.31 ± 0.1 | na |
| W | 4.07 ± 0.2 | 1.97 ± 0.1 | 4.16 ± 0.4 |
| LN | 1.81 ± 0.1 | 2.32 ± 0.1 | 1.52 ± 0.1 |
| wN | 2.0 ± 0.1 | 1.25 ± 0.1 | 2.28 ± 0.2 |
| Cyto light/dark (%) | light | medium or dark | light colour: 70 %; dark colour: 30 % |
| WLr (min-max) | 0.43 ± 0.03 (0.32–0.70) | 0.21 ± 0.01 (0.17–0.25) | na |
| Undulating membrane | S-shaped 87 %; C-shaped 13 % | undulating 100 % | no |
For acronyms, see the text; lengths in µm; the 4th morphotype “rosette” (0.8 %) is not presented here (data not applicable – na).
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