| 单词 |
proglottis |
| 释义 |
‖ proglottis|prəʊˈglɒtɪs|
Pl. -ides |-ɪdiːz|.
[mod.L. (Felix Dujardin, 1843 Ann. Sci. Nat., ser. 2. XX. Zoologie 342), a. Gr. προγλωσσίς, *προγλωττίς, -ιδ- point of the tongue, f. πρό, pro-2 + γλῶσσα, γλῶττα tongue, γλωττίς glottis, mouthpiece of a pipe. So named from its shape.]
A sexually mature segment or joint of a tapeworm.
Applied by Dujardin to a detached living joint; by P. J. Van Beneden, 1850, and by subsequent writers, to the joint whether attached or detached.
1855T. R. Jones Anim. Kingd. (ed. 2) 136 When the gemma has grown into an adult worm (Proglottis of Van Beneden), the indentation, separating each from the one preceding it, increases in depth until..the segments are successively thrown off as so many distinct animals. 1870Nicholson Man. Zool. 143 After their discharge from the body, the proglottides decompose, and the ova are liberated. 1897Allbutt's Syst. Med. II. 1007 A tapeworm may therefore be regarded as a colony, and each individual proglottis as an animal complete in itself. |
英语词典包含277258条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。
相关内容：
相关热词搜索：proglottis英英词典英英释义英语词汇意思用法释义英语
单词 proglacial 释义 proglacial, a. Geomorphol.|prglesal, -l|[f. pro-2 2 + glacial a.]Situ......