Mansonella ozzardi continued)
Figure 4-33. Life cycle of Mansonella ozzardi. (concluded)
ORGANISM 5: Mansonella perstans
GENERAL CHARACTERISTICS
COMMON NAME: None.
GEOGRAPHICAL DISTRIBUTION: South America and African tropics.
PATHOGENESIS: Mild vertigo, fever, edema, and abdominal and pectoral pain.
HABITAT: Deep connective tissue of the body cavity.
VECTOR: Culicoides species.
RESERVOIR HOST: Chimps and gorillas.
INFECTIVE FORM: Filariform larva.
MODE OF INFECTION: Inoculation.
PERIODICITY: None.
SPECIMEN OF CHOICE: Blood.
SPECIMEN PROCESSING: Giemsa's or Hematoxylin/Eosin stains.
MICROFILARIA
SIZE: 190 to 200 mcm.
SHEATH: Absent.
TAIL: Blunt.
TERMINAL NUCLEI: Extend to the tip of the tail.
MD0842
4-42