| 释义 |
cnidarian, n. and a. Zool.|nɪˈdɛːrɪən, naɪˈdɛːrɪən, kn-|
[f. *Cnidaria n. + -an.]
A. n. An animal of the invertebrate phylum Cnidaria (see *Cnidaria n.); a coelenterate (as now understood).
B. adj. Of, relating to, or designating the phylum Cnidaria.
1934in Webster. 1967Oceanogr. & Marine Biol. XII. 292 As advanced cnidarians, sea anemones are essentially sedentary predators. Ibid. 314 The behavioural implications of cnidarian symbioses..are all virtually unsolved at present. 1977T. I. Storer et al. Elem. Zool. (ed. 4) xvi. 273/1 The lowest animals with cells definitely forming tissues are the cnidarians. 1987Laverback & Dando Lect. Notes Invertebr. Zool. (ed. 3) iv. 33/1 Cnidarians are generally carnivorous. 1988R. S. K. Barnes et al. Invertebrates iii. 56/1 Two basically different forms can occur in cnidarian life cycles: a relatively mobile medusa that carries gonads, and a sedentary polyp that primitively probably did not. |