Eggs per gram (eggs/g) is a laboratory test that determines the number of
eggs
Humans and human ancestors have scavenged and eaten animal eggs for millions of years. Humans in Southeast Asia had domesticated chickens and harvested their eggs for food by 1,500 BCE. The most widely consumed eggs are those of fowl, especial ...
per
gram
The gram (originally gramme; SI unit symbol g) is a unit of mass in the International System of Units (SI) equal to one one thousandth of a kilogram.
Originally defined as of 1795 as "the absolute weight of a volume of pure water equal to th ...
of
feces in patients suspected of having a
parasitological
Parasitology is the study of parasites, their hosts, and the relationship between them. As a biological discipline, the scope of parasitology is not determined by the organism or environment in question but by their way of life. This means it f ...
infection
An infection is the invasion of tissues by pathogens, their multiplication, and the reaction of host tissues to the infectious agent and the toxins they produce. An infectious disease, also known as a transmissible disease or communicable dis ...
, such as
schistosomiasis.
Measuring the number of eggs per gram is the primary diagnostic method for schistosomiasis, as opposed to a
blood test. Eggs per gram or another analyse like
larvae per gram of
faeces
Feces ( or faeces), known colloquially and in slang as poo and poop, are the solid or semi-solid remains of food that was not digested in the small intestine, and has been broken down by bacteria in the large intestine. Feces contain a relati ...
is one of the most important experiments that is done in parasitology labs.
Methods to count the number of eggs per gram:
* Willis method
* McMaster method
* Clayton-Lane method
See also
*
Kato technique
The Kato technique (also called the Kato–Katz technique) is a laboratory method for preparing human stool samples prior to searching for parasite eggs.
Indications
The Kato technique is now most commonly used for detecting schistosome eggs. I ...
*
Helminths
Parasitic worms, also known as helminths, are large macroparasites; adults can generally be seen with the naked eye. Many are intestinal worms that are soil-transmitted and infect the gastrointestinal tract. Other parasitic worms such as ...
References
External links
*
Parasitology
Clinical pathology
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