| 单词 |
polycystid |
| 释义 |
polycystid Zool.|pɒlɪˈsɪstɪd| [f. mod.L. Polycystid-ea (neut. pl.), as polycystine: see -id.] A member of the order Polycystidea of Gregarines, having the body divided into three (rarely two) segments.
1888Rolleston & Jackson Anim. Life 858 A Polycystid possessing all three segments is known as a Cephalin or Cephalont. Ibid. 859 The Polycystids lose the epimerite wholly or in part. |

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