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ambulacrum
 

Definitions from WordNet

Noun ambulacrum has 1 sense
  1. ambulacrum - one of the five areas on the undersurface of an echinoderm on which the tube feet are located
    --1 is a kind of     body part
    --1 is a part of echinoderm

Definitions from the Web

Ambulacrum

Noun:

  1. (Anatomy) One of the radial areas of a radiate animal, especially one of the five broad ambulacra of a sea urchin.
  2. (Zoology) A radial canal or pair of radial canals in the water-vascular system of an echinoderm, such as a starfish or sea cucumber, used for locomotion and respiration.

Sample Sentences:

  1. The ambulacra of the sea urchin are lined with small tube feet.
  2. The starfish uses its ambulacra to move across the ocean floor.
  3. The research study focused on the development and function of ambulacra in echinoderms.
Amazon search: Sea Urchin
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