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单词 prosoma
释义

Definition of prosoma in English:

prosoma

noun prə(ʊ)ˈsəʊməprōˈsōmə
  • another term for cephalothorax
    Example sentencesExamples
    • Chelicerates are characterized by a pair of chelate preoral appendages and a body divided into two tagmata, the prosoma and opisthosoma.
    • The upper or dorsal side of the prosoma is equipped with two prominent kidney-shaped compound eyes, and in the middle a pair of small ocelli or simple eye-like sense-organs.
    • Cheliceramorphs are distinguished by having a body divided into two main divisions, technically called the prosoma and the opisthosoma.
    • Similarly, in spiders there is a common posterior boundary for five of the anteriorly expressed Hox genes coinciding with the division between the two body tagma, the prosoma and opisthosoma.
    • The chelicerate body plan is characterized by two tagmata, the prosoma, including head structures, and the opisthosoma.

Origin

Late 19th century: from pro-2 'before' + Greek sōma 'body'.

Definition of prosoma in US English:

prosoma

nounprōˈsōmə
  • another term for cephalothorax
    Example sentencesExamples
    • The upper or dorsal side of the prosoma is equipped with two prominent kidney-shaped compound eyes, and in the middle a pair of small ocelli or simple eye-like sense-organs.
    • Similarly, in spiders there is a common posterior boundary for five of the anteriorly expressed Hox genes coinciding with the division between the two body tagma, the prosoma and opisthosoma.
    • Chelicerates are characterized by a pair of chelate preoral appendages and a body divided into two tagmata, the prosoma and opisthosoma.
    • The chelicerate body plan is characterized by two tagmata, the prosoma, including head structures, and the opisthosoma.
    • Cheliceramorphs are distinguished by having a body divided into two main divisions, technically called the prosoma and the opisthosoma.

Origin

Late 19th century: from pro- ‘before’ + Greek sōma ‘body’.

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更新时间:2025/7/17 13:21:29