| 单词 |
paramere |
| 释义 |
paramere Biol.|ˈpærəmɪə(r)| [f. Gr. παρα- para-1 + µέρος part.] 1. One of a series of radiating parts or organs, as a ray of a star-fish; an actinomere.
1883P. Geddes in Encycl. Brit. XVI. 842/2 The former definition of the term antimere..is corrected by terming each ray a paramere, and its symmetrical halves the antimeres. 2. Each of the halves of a bilaterally symmetrical animal, or of a segment or somite of such.
1884tr. Claus' Zool. I. 27 These two halves [of the body divided by the median plane], as opposed to antimeres, may be termed parameres. Ibid., The antimeres of the Radiata also consist of two parameres, and are therefore bilateral. 1888Nature 10 May 47/1 The primitive proximal paramere of the second visceral arch. Hence parameric |-ˈmɛrɪk| a., pertaining to a paramere; having parameres. (Cent. Dict. 1890.) |

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