Dictionary » U » Undulation



noun, plural: undulations

(biology) The type of motion characterized by wave-like movement patterns, propelling the organism forward.

(general) Wavy in appearance or outline.


In biology, undulation is displayed by the crawling of snakes or swimming of lampreys. This form of locomotion is employed usually by limbless animals.

Variant: undulatory locomotion

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The Fiber Disease

... individuals, after removing the 'writhers', have carefully and gently flicked a cigarette lighter to the heads of the live ones on a comb, and the undulation is no more. Obviously, this technique is not advised when alcohol, or flammable insecticides, have previously been applied to the area. Some ...

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by Cilla
Thu Jan 12, 2006 8:07 pm
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 6245128

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