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单词 Planarium
释义

Planarium

英语百科

Planarian

(重定向自Planarium)
Polycelis felina, a freshwater planarian
Unidentified planarian.
Planaria nervous system
Planarian reproductive system

A planarian is one of many flatworms of the Turbellaria class. It is also the common name for a member of the genus Planaria within the family Planariidae. Sometimes it also refers to the genus Dugesia.

Planaria are common to many parts of the world, living in both saltwater and freshwater ponds and rivers. Some species are terrestrial and are found under logs, in or on the soil, and on plants in humid areas.

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