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3 definitions found
From:
Webster's Revised Unabridged Dictionary (1913)
Am·bu·la·crum
n.
;
pl
.
Ambulacra
Zool.
(a)
One
of
the
radical
zones
of
echinoderms
,
along
which
run
the
principal
nerves
,
blood
vessels
,
and
water
tubes
.
These
zones
usually
bear
rows
of
locomotive
suckers
or
tentacles
,
which
protrude
from
regular
pores
.
In
star
fishes
they
occupy
the
grooves
along
the
under
side
of
the
rays
.
(b)
One
of
the
suckers
on
the
feet
of
mites
.
◄
►
From:
WordNet (r) 2.0
ambulacrum
n
:
one
of
the
five
areas
on
the
undersurface
of
an
echinoderm
on
which
the
tube
feet
are
located
[
also
:
ambulacra
(
pl
)]
From:
WordNet (r) 2.0
ambulacra
See
ambulacrum
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