planarian (redirected from Planarians)

pla·nar·i·an  (pl-nâr-n)

n.

Any of various small, chiefly freshwater turbellarian flatworms of the order Tricladida, having soft, broad, ciliated bodies, a three-branched digestive cavity, and the ability to regenerate body parts.

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[From New Latin Plnria, genus name, from feminine of Late Latin plnrius, on level ground, from plnus, flat; see pel-² in Indo-European roots.]

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planarian [pləˈnɛərɪən]

n

(Life Sciences & Allied Applications / Animals) any free-living turbellarian flatworm of the mostly aquatic suborder Tricladida, having a three-branched intestine

[from New Latin Plānāria type genus, from Late Latin plānārius level, flat; see plane¹]

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planarian  (pl-nâr-n)

Any of various small, chiefly freshwater flatworms of the class Turbellaria, having soft, broad, ciliated bodies shaped like a leaf. Planarians have a mouth on their lower side that is often closer to the tail than the head, and a three-branched digestive cavity. If a planarian is cut into several pieces, each piece can grow into a whole new organism.

Thesaurus

Noun

1.

planarian - free-swimming mostly freshwater flatworms; popular in laboratory studies for the ability to regenerate lost parts planaria flatworm, platyhelminth - parasitic or free-living worms having a flattened body class Turbellaria, Turbellaria - free-living flatworms