Artefacts-(faeces)

Artefacts
In stool

Charcot-Leyden crystal
Narrow, lozenge-shaped crystals in stool (Unstained).

Fatty acid crystal
Narrow, fusiform crystal in faeces (Unstained).

Dicrocoelium sp.
Human infections occur but most of the time it is a false
parasitosis due to the ingestion of animal (sheep) liver. An
asymmetric trematode egg with a thick brownish shell in stool.
One pole has an operculum. Length: 40µm (Unstained).

Morel
Spores of morel in a sheath (Unstained).

Plant hair
Plant hair in stool. This artefact suggests a larva of
Strongyloides stercoralis. However, one extremity is
not rounded but broken off irregularly (Unstained).

Pollen
Pollen in stool. These elements may suggest eggs of
Taenia spp., but inner structure is different
(Unstained).

Pollen
Pollen in stool. These elements may suggest eggs of
Taenia spp., but inner structure is different
(Unstained).

Starch
Starch in faeces stains dark-blue with Lugol.

Tuber sp.
Dark brown spore of a truffle (Unstained).

Vegetal ring
Vegetal ring in stool. Polygonal, rounded or ovoid
rings with a thick wall and variable size. There is no
typical inner structure (Unstained).

Vegetal spiral vessel
Vegetal spiral vessel of variable size in faeces
(stained with Lugol).

Wooden spiral vessel
Wooden spiral vessel of variable size in faeces
(Unstained).

Wooden spiral vessel
Wooden spiral vessel of variable size in faeces
(Unstained).