Page 28 - MNU-PM503 Parasitology practical book

Pharm D- Clinical Pharmacy Program Third Level Parasitology and virology (PM503)

1- Liver Flukes (Fasciolae)

1- Fasciola gigantica, adult:

- Length: 3-7 cm.

- Elongated with parallel borders.
- Ventral sucker is larger than oral one.
- Lateral compound and inner T- or Y-shaped
caecal branches.

- 2 branched testes (in tandem).
- One branched ovary, anterior to the anterior
testis, in the middle of the body.

- Numerous vitelline follicles at the lateral borders.

2- Fasciola hepatica, adult:

a. Length : 2-3 cm.

b. Shorter and broader flat worm with two
converging lateral borders.
c. Cephalic cone and shoulders are prominent

anteriorly.
d. Oral and ventral suckers are equal.
e. The medial caecal branches are simple

diverticula.

3- Fasciola egg:

- Oval.
- Thin, operculated shell.

- Size: 160X80 u.
- Yellowish-brown.
- Contains an immature embryo.

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