单词	cubitus
释义	cubitus /ˈkjuːbɪtəs / noun Entomology The fifth longitudinal vein from the anterior edge of an insect’s wing.Splitting of the microveins of the cubitus anterior gives the margin a ragged appearance.... The first direct observation of nucleotide variation on the fourth chromosome was an analysis of polymorphism at the cubitus interruptus gene in D. melanogaster and simulans. Sequencing of a kilobase region of the gene cubitus interruptus Dominant in 10 lines of D. melanogaster showed no nucleotide substitutions. Origin Early 19th century: from Latin.
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