-
Ambulacral is a term
typically used in the
context of
anatomical parts of the
phylum Echinodermata or
class Asteroidea and Edrioasteroidea. Echinoderms...
- Echinozoans,
there are five
ambulacra separated by five
ambulacral grooves, the interambulacra. The
ambulacral grooves bear four rows of tube feet but
these are...
-
skeletal support is
provided by the
calcareous plates called ossicles or
ambulacral plates in the body wall.
These are
joined with
muscular and connective...
- more
radial canals extend from the ring canal, one in each arm
above the
ambulacral groove. From the
radial canals extend many
lateral canals, each of which...
- with
their oral
surfaces facing upwards.
These early echinoderms had
ambulacral grooves extending down the side of the body,
fringed on
either side by...
-
Other terms sometimes used to
refer to the
water vascular system are "
ambulacral system" and "aquiferous system". In the past, "aquiferous system" was...
- set of
radial canals leads off this; one
radial canal runs
along the
ambulacral groove in each arm.
There are
short lateral canals branching off alternately...
- test grow as the
animal does. The test is rigid, and
divides into five
ambulacral grooves separated by five
wider interambulacral areas. Each of
these ten...
- the
cushion star,
working its way into the
large body
cavity through an
ambulacral groove and
emerging periodically to feed.
Anthenea spinulosa (Gray, 1847)...
- brittle, limy test is
rigid and
divided into five
ambulacral areas separated by five inter-
ambulacral areas.
There are two rows of
plates in each of these...
