Knowledge organization

Knowledge organization

A field of study invloving the indexing and classification of knowledge that is usually performed in libraries, databases and archives etc. It is related to Library and Information Science(LIS).

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source of infection

Biology; Parasitology

The medium (e.g., soil), object (e.g. eating utensil), or a living entity (e.g. a snail or mammal) containing an infective stage of a parasite.

sparganum

Biology; Parasitology

The second larval stage (see Plerocercoid) of pseudophyllidian tapeworms that is characterized by its elongated shape and lack of a cystic cavity.

sporocyst

Biology; Parasitology

In trematodes, the first larval stage in the developmental cycle in the snail, intermediate host. A sac-like " structure with a germinal lining that produces secondary larval ...

sporozoite

Biology; Parasitology

The structure (infective unit) that develops within an oocyst that, when freed from the oocyst after ingestion by a suitable host, penetrates the intestinal wall initiating ...

spurious infection

Biology; Parasitology

False infection. An organism or egg found on fecal examination that is from a source outside of the individual and is not related to an infection of the individual being examined; ...