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Home›Glossary›A

Glossary

anus

Opening at the lower end of the alimentary canal through which solid waste is excreted.

Used in 90 species profiles

Aborichthys elongatus
Aborichthys sp. 'AR01'
Aborichthys sp. 'AR02'
Acrochordonichthys gyrinus
Acrochordonichthys rugosus
Acrochordonichthys septentrionalis

Related terms

alimentary canal
The passage (including the oesophagus, stomach, and intestines when present) along which food passes through the body from mouth to anus.
anal-fin
A median, unpaired, ventral fin located between the anus and caudal fin, usually in the posterior portion of the body. Used to maintain equilibrium and stability.
defecate
To discharge waste from the body via the anus.
perianal
Located around or close to the anus.
preanal
Area or region anterior to the anus.
preanal length
Distance between the tip of the upper jaw to the anus.

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Seriously Fish · est. 2009

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