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Original contribution

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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