“thorax”的概念、定义、翻译、参考文献-科学参考

thorax

Biology

The anterior region of the body trunk of animals. In vertebrates it contains the heart and lungs within the rib cage. It is particularly well-defined in mammals, being separated from the abdomen by the diaphragm. In insects the thorax is divided into an anterior prothorax, a middle mesothorax, and a posterior metathorax, each of which bears a pair of legs; the hindmost two segments also both carry a pair of wings. In other arthropods, especially crustaceans and arachnids, the thorax is fused with the head to form a cephalothorax.

Geology and Earth Sciences

The three segments of the body of an arthropod (Arthropoda) that lie between the head and the abdomen. Each thoracic segment carries a pair of legs. The three thoracic segments are termed the prothorax, mesothorax, and metathorax. In insects (Insecta), the mesothorax and metathorax may each carry a pair of wings. See trilobitomorpha.

单词	thorax
释义	thorax Biology The anterior region of the body trunk of animals. In vertebrates it contains the heart and lungs within the rib cage. It is particularly well-defined in mammals, being separated from the abdomen by the diaphragm. In insects the thorax is divided into an anterior prothorax, a middle mesothorax, and a posterior metathorax, each of which bears a pair of legs; the hindmost two segments also both carry a pair of wings. In other arthropods, especially crustaceans and arachnids, the thorax is fused with the head to form a cephalothorax. Geology and Earth Sciences The three segments of the body of an arthropod (Arthropoda) that lie between the head and the abdomen. Each thoracic segment carries a pair of legs. The three thoracic segments are termed the prothorax, mesothorax, and metathorax. In insects (Insecta), the mesothorax and metathorax may each carry a pair of wings. See trilobitomorpha.
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