单词 | sagittocyst |
释义 | sagittocystn. Zoology. A structure occurring in the ectoderm of turbellarian worms (see quot. 1888). ΚΠ 1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 667 (note) Still more rare are the structures known as sagittocysts, i.e. capsules similar to those of the nematocysts, but inclosing a needle-like rod, which is expelled on irritation of the animal. This entry has not yet been fully updated (first published 1909; most recently modified version published online June 2018). < |
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