Page 49 - MNU-PM503 Parasitology practical book

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

Diagnosis:

1) Clinical diagnosis: the clinical picture is not sufficient to permit differentiation

from other helminthic infection.

2) Laboratory diagnosis:

-Stool examination for the characteristic ova or larvae in case of stored stool specimens

for more than 24hours at room temperature.

5- Trichuris trichiura

Adults:

- Adult males of Trichuris trichiura are

30-45 millimeters long, with a coiled
posterior end.
- Adult females are 35-50 millimeters

with a straight posterior end.

- Both sexes have a long, whip-like
anterior end. Adults reside in the large

intestine, cecum and appendix of the
host.

Egg :

Barrel-shaped.
50X25u.
Thick-shelled with translucent bi-polar

mucoid plugs.
Yellowish-brown.
Immature (contains an embryo in the

single cell stage).

43