- ambulacral areas
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(ECHINODERMATA: Asteroidea)The radially arranged arms (typically 5) bearing the tube feet or podia; see interambulacral areas.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.
ambulacral areas
Look at other dictionaries:
ambulacral — adjective Date: 1836 of, relating to, or being any of the radial areas of echinoderms along which run the principal nerves, blood vessels, and elements of the water vascular system < ambulacral grooves > … New Collegiate Dictionary
interambulacral areas — (ECHINODERMATA: Echinoidea) The radially arranged arms (typically 5) that do not bear tube feet or podia; see ambulacral areas … Dictionary of invertebrate zoology
Sea cucumber — For the food product made from sea cucumber, see Sea cucumber (food). Sea cucumber A sea cucumber from the Mediterranean Sea Scientific classification … Wikipedia
Crinoid — Crinoids Temporal range: Ordovician Recent … Wikipedia
Cystoids — Temporal range: Middle Ordovician–Permian … Wikipedia
interpetaloid — adj. [L. inter, between; Gr. petalon, leaf] (ECHINODERMATA: Echinoidea) Area between ambulacral areas … Dictionary of invertebrate zoology
ocular plates — (ECHINODERMATA: Echinoidea) Plates at the terminal end of the ambulacral areas … Dictionary of invertebrate zoology
sphaeridium — n.; pl. idia [Gr. dim. sphaira, ball] (ECHINODERMATA) Minute, spherical bodies covered by ciliated epidermis, usually lodged in pits in the test or almost completely enclosed; confined to the ambulacral areas around the mouth or scattered along… … Dictionary of invertebrate zoology
interpetaloid — “+ adjective Etymology: inter + petaloid : lying between ambulacral areas interpetaloid spaces on a sea urchin * * * adj … Useful english dictionary
pentremites — ˌpen.trəˈmīˌtēz noun Usage: capitalized Etymology: New Latin, from penta (from Greek) + Greek trēma hole + New Latin ites more at throw : a genus (the type of the family Pentremitidae) comprising Mississippian bla … Useful english dictionary
