Lexic.us

Definition of Cnidaria

1. Noun. Hydras; polyps; jellyfishes; sea anemones; corals.

Definition of Cnidaria

1. n. pl. A comprehensive group equivalent to the true Cœlenterata, i. e., exclusive of the sponges. They are so named from presence of stinging cells (cnidae) in the tissues. See Coelenterata.

Definition of Cnidaria

1. Noun. cnidarian ¹

¹ Source: wiktionary.com

Medical Definition of Cnidaria

1. A phylum of radially symmetrical invertebrates having a body composed of two layers of cells which comprise definite tissues. It includes hydroids (hydra), jellyfish, sea anemones, and corals. (12 Dec 1998)

Lexicographical Neighbors of Cnidaria

Literary usage of Cnidaria

Below you will find example usage of this term as found in modern and/or classical literature:

1. A Manual of the Common Invertebrate Animals: Exclusive of Insects by Henry Sherring Pratt (1916)
"cnidaria." Jellyfish, hydroids, corals, etc. Aquatic animals, either sessile or free-swimming, in which the body possesses a single internal cavity, ..."

2. A Course in Invertebrate Zoölogy: A Guide to the Dissection and Comparative by Henry Sherring Pratt (1915)
"... CHAPTER VIII cnidaria HYDROZOA A FRESHWATER POLYP. HYDRA This small animal is of general although sporadic distribution throughout the country. ..."

3. Embryogeny: An Account of the Laws Govering the Development of the Animal by Hans Przibram (1908)
"cnidaria*. IF we trace the history of the several blastomeres and their descendants the " cell-lineage," until differentiations appear of which the future ..."

4. A Text-book of Geology: For Use in Universities, Colleges, Schools of by Louis Valentine Pirsson, Charles Schuchert (1915)
"Practically all of them live in the sea. In the cnidaria the secretion of an external skeleton composed of carbonate of lime is ..."

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