Schistosoma haemotobium (Continued)
OVA
SIZE: 145 x 60 mcm (large).
SHAPE: Elongated.
COLOR: Hyaline to light yellow.
OPERCULUM: Absent
CONTENT: Shouldered miracidium surrounded by vitelline membrane (double linear
line).
Terminal spine.
ADULTS
SIZE
MALE: 1.0 to 1.5 cm long x 0.9 mm wide.
FEMALE: 2.0 to 2.5 cm long by 0.25 mm wide.
SHAPE: Elongated with gynecophoral canal in males.
COLOR: Greyish white
INTESTINAL CECA: Join late (near middle of body).
TESTES: Anterior (4 to 5)
OVARIES: In posterior half of body.
UTERUS: Long with 20 to 30 ova.
Figure 3-15. Stages of Schistosoma haemotobium. (continued)
MD0842
3-19