ORGANISM 6: Mansonella streptocerca
GENERAL CHARACTERISTICS
COMMON NAME: None.
GEOGRAPHICAL DISTRIBUTION: West Africa.
PATHOGENESIS: Pruritic rash.
HABITAT: Cutaneous tissue of the body trunk.
VECTOR: Culicoides species.
RESERVOIR HOST: Chimpanzees.
INFECTIVE FORM: Filariform larva.
MODE OF INFECTION: Inoculation.
PERIODICITY: None.
SPECIMEN OF CHOICE: Skin biopsies.
SPECIMEN PROCESSING: Giemsa's.or Hematoxylin/Eosin stains.
MICROFILARIA
SIZE: 180 to 240 mcm.
SHEATH: Absent.
TAIL: Blunt, bent in a shepherd's.crook.
TERMINAL NUCLEI: Extend to.the tip of the tail.
Figure 4-35. Life cycle of Mansonella streptocerca. (continued)
MD0842
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