| 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.) |