COMPARATIVE DIAGNOSIS OF LARVAE AND OVA OF GASTROINTESTINAL NEMATODES AND TREMATODES IN A CLINICAL LABORATORY
 /  COMPARATIVE DIAGNOSIS OF LARVAE AND OVA OF GASTROINTESTINAL NEMATODES AND TREMATODES IN A CLINICAL LABORATORY

COMPARATIVE DIAGNOSIS OF LARVAE AND OVA OF GASTROINTESTINAL NEMATODES AND TREMATODES IN A CLINICAL LABORATORY

Anochie, P. I, Okoihue, A

Abstract
This review examines the comparative diagnosis of larvae and ova of gastrointestinal
nematodes and trematodes in a clinical laboratory.
No procedure used for examining specimens is 100% effective- that is, the procedures
will not always recover all the species present and, if a particular species is present in
only very low numbers, they may fail to demonstrate them when used on a single
specimen. Because the techniques are not perfect, we should perform them as
carefully as possible for optimum results. Also, we should be sure to use techniques
that are appropriate for the material we are examining.
Finding Ascaris lumbricoides (Gastrointestinal nematode) eggs in faeces rarely
requires concentration techniques. Direct technique for preparing and examining
specimens is used which involves reporting the appearance of the specimen and
identifying any parasite and examining the specimen with a microscope for larvae and
eggs of the parasite.The need for direct faecal examination technique is essential in
direct motile parasites and is usually adequate to detect significant Helminth
infections except in Schistosoma species (Gastrointestinal trematode) because only a
few eggs are usually produced even in moderate and severe infections.
Therefore faecal concentration technique is used for the detection of schistosomes
while direct faecal examination technique is used for the detection and identification
of Ascaris lumbricoides.

Journal Article
PDF, 295.5 KB
Creative Commons LicenseCreative Commons license
Biological Sciences
Microbiology
Larvae, OVA of Gastrointestinal nematodes , Trematodes
Christian Bassey
18th April, 2018
18th April, 2018
http://oer.mciu.edu.ng/wp-content/uploads/2015/04/Philip-anochie-8.pdf


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