Noun:

தோன்முள்ளி (முட்டோலி),

echinoderms தமிழ் அர்த்தத்தின் உதாரணம்:

None

echinoderms's Usage Examples:

In the animal kingdom it occurs as both calcite and aragonite in the tests of the foraminifera, echinoderms, brachiopoda, and mollusca; also in the skeletons of sponges and corals.

MYZOSTOMIDA, a remarkable group of small parasitic worms which live on crinoid echinoderms; they were first discovered by Leuckart in 1827.

Those plates are perhaps constant throughout sea-urchins and starfish (though it would puzzle any one to detect them in certain Silurian echinoids), and they may be traced in some of the fixed echinoderms; but there is no proof that they represent the radials of a simple crinoid, and there are certainly many cystids in which no such plates existed.

Which of the coelomic cavities this last is connected with is uncertain, for there is considerable doubt as to the origin of the genital glands in the embryonic development of recent echinoderms.

The Asterocheridae, which have a good swimming capacity, except in the case of Cancerilla tubulata (Dalyell), lead a semi-parasitic life on echinoderms, sponges, 'c.

For edible purposes the most valuable of the Japanese echinoderms is the sea-slug or bche de mer (namako), which is greatly appreciated and forms an important staple of export to China.

Larvae of other echinoderms are also present in the plankton, like those of sea urchins, sea cucumbers and brittle stars.

Amongst the echinoderms crinoids were the most numerous individually, dense submarine thickets of the long-stemmed kinds appear to have flourished in many places where their remains consolidated into thick beds of rock; prominent genera are Cyathocrinus, Woodocrinus, Actinocrinus; sea-urchins, Archaeocidaris, Palaeechinus, 'c.

Such forms he distinguished as Coelentera, and showed that they had no special affinity with echinoderms, polyzoa, 'c.

De Blainville included in his group many unicellular forms such as Noctiluca (see PROTOZOA), sea-anemones, corals, jelly-fish and hydroid polyps, echinoderms, polyzoa and rotifera.

de Pourtales pointed out in 1870; they consist of remains of deep-sea corals, serpulae, echinoderms and mollusca united Sands, gravels, muds, 'c.

Synonyms:

basket star, tube foot, brittle-star, water vascular system, sea cucumber, ambulacrum, basket fish, Echinodermata, holothurian, crinoid, sea star, serpent star, sea urchin, starfish, invertebrate, phylum Echinodermata, brittle star,

Antonyms:

vertebrate,