ambulacrum

(noun)

a row of pores for the protrusion of appendages such as tube feet.

Related Terms

  • fissiparous
  • ossicle

Examples of ambulacrum in the following topics:

  • Classes of Echinoderms

    • The key characteristic of sea stars that distinguishes them from other echinoderm classes includes thick arms (ambulacra; singular: ambulacrum) that extend from a central disk where organs penetrate into the arms.
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