| 单词 |
metasoma |
| 释义 |
‖ metasoma Zool.|mɛtəˈsəʊmə| Also anglicized metasome |ˈmɛtəsəʊm|. [mod.L., f. Gr. µετα- meta- + σῶµα body.] 1. In Cephalopods, the posterior portion of the body, enveloped in the mantle.
1872Nicholson Palæont. 272 A posterior portion, enveloped in the mantle, and containing the viscera (metasoma). 1882Ogilvie, Metasome, Metasoma. 2. In Lamellibranchs, the part of the body which lies behind the foot.
1877Huxley Anat. Inv. Anim. 475 The part which..contains the posterior adductor may be termed the metasoma. 3. In Arthropods and Arachnids, the hinder portion of the animal, into which the abdomen is continued; the hinder part of the abdomen.
1893Shipley Zool. Invert. 398 The heart..is continued backward in the scorpion as a posterior aorta which traverses the metasoma. |

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