| 释义 |
amphioxusenUK
am·phi·ox·us A0265300 (ăm′fē-ŏk′səs)n. See lancelet.
[amphi- + Greek oxus, sharp; see ak- in Indo-European roots.]amphioxus (ˌæmfɪˈɒksəs) n, pl -oxi (-ˈɒksaɪ) or -oxuses (Animals) another name for the lancelet[C19: from New Latin: both ends being sharp, from amphi- + Greek oxus sharp]lance•let (ˈlæns lɪt, ˈlɑns-)
n. any small, lancet-shaped burrowing marine animal of the subphylum Cephalochordata, having a notochord and numerous gill slits. Also called amphioxus. [1565–75] am·phi·ox·us (ăm′fē-ŏk′səs) See lancelet.Thesaurus| Noun | 1. |  amphioxus - small translucent lancet-shaped burrowing marine animal; primitive forerunner of the vertebrateslanceletcephalochordate - fish-like animals having a notochord rather than a true spinal columngenus Amphioxus - type genus of the Amphioxidae |
AmphioxusenUK
Am·phi·ox·us (am'fē-ok'sŭs), A genus of small, translucent, fishlike chordates found in warm marine waters. Members are structurally similar to vertebrates in having a notochord, gills, digestive tract, and nerve cord, but they lack paired fins, vertebrae, ribs, or a skull for example, Branchiostoma lanceolatum. [amphi- + G. oxys, sharp] amphioxus (ăm′fē-ŏk′səs)n. See lancelet.Amphioxus the disused scientific, though better-known, name for Branchiostoma (the lancet), a PROTOCHORDATE found in many parts of the world. Its embryonic development has been extensively studied and is used in texts as an example of a link between invertebrates and vertebrates. It feeds by ciliary action, trapping food particles in mucus.amphioxusenUK
Synonyms for amphioxusnoun small translucent lancet-shaped burrowing marine animalSynonymsRelated Words- cephalochordate
- genus Amphioxus
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