Definición de ambulacrum en inglés:

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Pronunciación: /ˌambjʊˈleɪkrəm/

sustantivo (plural ambulacra /ˌambjʊˈleɪkrə/ /ˌambjʊˈlakrə/)

(In an echinoderm) each of the radially arranged bands, together with their underlying structures, through which the double rows of tube feet protrude.
Oraciones de ejemplo
  • Furthermore, the placement of the ambulacra relative to the radials appears to be incorrect.
  • It is contained by four rows of plates with the plates smaller along the dorsal side, probably indicating an ambulacrum.
  • Four different groups of blastoids with moderately wide ambulacra evolved from groups with narrow ambulacra.



Oraciones de ejemplo
  • The ambulacral grooves are narrow and the ambulacral ossicles are not exposed.
  • In asteroids, the ambulacrals arch to form a deep ambulacral groove.
  • Its wide ambulacral grooves and open filtration fan made it adapted for motile particle capture in a wide variety of environments.


Early 19th century: Latin, 'avenue', from ambulare 'to walk'.

For editors and proofreaders

Saltos de línea: am¦bu|la¦crum

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