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Ambulacrum is an
architectural word that
denotes an atrium, courtyard, or
parvise in
front of a
basilica or
church that is
surrounded by
arcades or colonnades...
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Radiating like
flower petals from the
center were five food grooves, or
ambulacra. Each
ambulacrum had many long thin fine
structures called brachioles...
- 14th Nov 2014]. The Free
Dictionary (n.d.)
ambulacra, [online]
Available at: http://www.thefreedictionary.com/
ambulacra [Accessed 14th Nov 2014]. v t e...
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center of the
upper surface, with
ambulacra radiating from it in the 2-1-2
pattern common in
early echinoderms. The
ambulacra are
straight in juveniles, but...
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dorsal and a
ventral surface. As in
other Echinozoans,
there are five
ambulacra separated by five
ambulacral grooves, the interambulacra. The ambulacral...
- 2005 —
Early Cretaceous (Aptian)
Crato Formation,
Brazil †Dinodiplura
ambulacra Selden, 2005 †Seldischnoplura Raven, Jell & Knezour, 2015 —
Early Cretaceous...
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feature consisted of five arms, or
ambulacra, in the body wall
radiating outwards from the
central mouth. The
ambulacra grew
either curved or straight. When...
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shown that
genes directing anterior-most
development are
expressed along ambulacra in the
center of
starfish rays, with the next-most-anterior
genes expressed...
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laterally placed rather than
being at the
center of the
upper surface. Five
ambulacra radiated outwards from the
mouth across the
lower surface, but only continued...
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bowling pin (with the pin part
stuck into the substrate), and that the five
ambulacra were
split into
pairs of
coiled or straight, ribbon-like strands. Six...
