Entomology. The lower surface of the thorax or prothorax of an insect or a spider.
| 单词 | θ34231 |
| 释义 | the world > animals > invertebrates > phylum Arthropoda > class Insecta > parts of insects > [noun] > thorax > prothorax > lower part of (3) pectus1819 Entomology. The lower surface of the thorax or prothorax of an insect or a spider. prosternum1826 The median ventral section of the prothorax of an insect. presternum1828 Entomology. = prosternum, n. Obsolete. rare. |
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