| 单词 |
chiaster |
| 释义 |
chiaster Zool.|ˈkaɪæstə(r)| [f. Gr. χιαστός marked with a χ (chi) + ἀστήρ star (see aster).] A star-shaped sponge-spicule with slender cylindrical rays.
1888Sollas Tetractinellida: Challenger Rep. XXV. p. lxiv, Euasters..1. Chiaster (from the Greek letter χ, to which some forms present a fanciful resemblance). A minute aster with very slender cylindrical actines, terminally tylote or not, or truncate. 1900C. W. Andrews et al. in Proc. Zool. Soc. Feb. 133 Microscleres—spherasters..Somal chiasters, 12µ. |

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