Definition of Ambulacra. Meaning of Ambulacra. Synonyms of Ambulacra

Here you will find one or more explanations in English for the word Ambulacra. Also in the bottom left of the page several parts of wikipedia pages related to the word Ambulacra and, of course, Ambulacra synonyms and on the right images related to the word Ambulacra.

Definition of Ambulacra

Ambulacra
Ambulacrum Am`bu*la"crum, n.; pl. Ambulacra. [L., an alley or covered way.] (Zo["o]l.) (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.

Meaning of Ambulacra from wikipedia

- 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...
- 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...
- dorsal and a ventral surface. As in other Echinozoans, there are five ambulacra separated by five ambulacral grooves, the interambulacra. The ambulacral...
- row of tube feet are arranged. It is pluralized as ambulacra. The area on the s**** between ambulacra is known as an interambulacrum. Echinoderms through...
- surrounded by what appear to be genital pores for the release of gametes. Five ambulacra radiated outwards from the mouth across the upper surface, but did not...
- 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...
- 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...
- regular rows of plates. They were benthic suspension feeders, with five ambulacra on the upper surface, surrounding the mouth and extending into a number...
- their deities. The main feature of echinoid fossils are the set of five ambulacra on the test radiating out from a central point, forming a distinctive...