METACYCLIC TRYPOMASTIOGOTE
Found in the hindgut of the insect host. Infective form of Leishmania.
SIZE--16 to 40 mcm.
SHAPE--Elongate.
NUCLEUS: Centrally located.
KINETOPLAST: Posterior to nucleus.
UNDULATING MEMBRANE: Present.
FLAGELLUM: Free, anterior.
PRESENCE IN THE HUMAN HOST: Yes.
TRYPOMASTIGOTE
Found in the circulatory system. Definitive stage of Trypanosoma in man..
SIZE--16 to 36mcm.
SHAPE--"S" shaped common with T. brucei, "C" or "U" shape common with T. cruzi.
NUCLEUS: Generally central in located.
KINETOPLAST: At posterior end.
UNDULATING MEMBRANE: Present.
FLAGELLUM: Free.
PRESENCE IN THE HUMAN HOST: Yes.
Figure 1-35. Structural stages of hemoflagellates. (concluded)
MD0842
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