English: Strongyloides stercoralis is a parasitic nematode (roundworm) that can infect humans. When examining stool samples for the presence of Strongyloides stercoralis, a wet mount microscopy technique may be used. Here's how the process works: Sample Collection: A stool sample is collected from the patient. Proper collection and storage of the stool sample are essential to maintain the viability of the parasites for examination. Preparation of Wet Mount Slide: A small amount of the collected stool sample is mixed with a saline solution or a special parasite transport medium to create a wet mount. This mixture is placed on a glass slide and covered with a cover slip. Microscopic Examination: The prepared wet mount slide is then examined under a microscope. The microscope is typically set to low and high magnifications to look for the presence of Strongyloides stercoralis larvae. Identification: Strongyloides stercoralis larvae are the diagnostic stage of the parasite commonly observed in the stool. These larvae are unique in appearance and can be identified by their characteristic features, which include: Rhabditiform Larvae: The presence of rhabditiform larvae is a key diagnostic feature. These larvae have a characteristic shape with a short buccal cavity and a rounded tail tip. Larval Tracks: Another distinctive feature is the presence of larval tracks, which are tunnels or burrows created by the larvae as they move through the stool. These tracks may contain trapped larvae.