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    Size matters in microscopy:
    1µ = 1/1000th mm

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    Faecal and Blood bench manuals for regional training courses

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  • A female Anopheles mosquito, the vector of malaria.

    A female Anopheles mosquito, the vector of malaria.

The Dutch Scientist, Antonie van Leeuwenhoek (1632–1723), was best known for his pioneering works in establishing Microbiology as a scientific discipline. He examined his own stool in 1681 and was reported to have penned what he saw:


“All these described particles lay in a clear transparent medium, in

which I have at times seen very prettily moving animalcules, some rather

larger, others somewhat smaller than a blood corpuscle, and all of one and

the same structure. Their bodies were somewhat longer than broad, and

their belly, which was flattened, provided with several feet, with which they

made such a movement through the clear medium....... But although they

made a rapid movement with their feet, yet they made but slow progress." 

(Dobell, 1920)1  [Cited by Erlandsen S.L. & Feely D.E. (19842)]


This description much resembles that of the intestinal protozoa Giardia lamblia. Microscopy has made an excellent contribution to the progress of science and in an era of technological advancement in the laboratory investigation of parasitic diseases, Microscopy continues to be regarded as the gold standard for definitive diagnosis.


1 Dobell, C., 1920, The discovery of the intestinal protozoa of man, Proc. R. Soc. Med. 13:1–15.
2 Erlandsen S.L., Feely D.E. (1984). Trophozoite Motility and the Mechanism of Attachment. In: Erlandsen S.L., Meyer E.A. (eds) Giardia and Giardiasis. Springer, Boston, MA

UKNEQAS Parasitology

Things you should know about who we are

UKNEQAS Parasitology was established in 1986 as one of a number of UK NEQAS schemes providing quality assessment in most disciplines of pathology.

UKNEQAS Parasitology is currently located at The Halo building, 1 Mabledon Place, London.

Our Services:

The following schemes are accredited to ISO/IEC 17043:2010 - Faecal Parasitology, Blood Parasitology, Toxoplasma Serology, Parasite Serology, Malaria Rapid and Malaria Molecular.


The staff:  
Scheme Organiser: Professor Peter L Chiodini
Scheme Manager:   Dr Jaya Shrivastava
Biomedical Scientist:  Agatha Christie Saez
Support Staff:  Dipali Pindoria   
Teaching Programme Manager: Dr Samuel Boadi



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