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noun
A small lancelet which is caught for food in parts of Asia.
- ‘Thus amphioxus is the only chordate species in which distinct insulin and IGF genes have not been found.’
- ‘For this interesting animal, extensive morphological and developmental biological studies have been conducted, but limited information has been available on endocrinology and physiology of amphioxus.’
- ‘Organisms along the lines of the cephalochordate amphioxus use the gill apparatus for filter feeding.’
- ‘The cephalochordate amphioxus is the closest living invertebrate relative of the vertebrates and therefore the best model organism for understanding the composition of the ancestral chordate genome.’
- ‘A few years ago, some molecular embryology data on amphioxus have revived the long forgotten hypothesis that the ancestor of coelomates was a segmented animal.’
Origin
Mid 19th century: modern Latin, from amphi- + Greek oxus sharp.
Pronunciation:
Further reading
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